Supriya Ghosh (Editor)

2520 (number)

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2520
  
2521 →

Roman numeral
  
MMDXX

Factorization
  
2× 3× 5 × 7

Binary
  
1001110110002

Cardinal
  
two thousand five hundred twenty

Ordinal
  
2520th (two thousand five hundred and twentieth)

2520 (two thousand five hundred twenty) is the natural number following 2519 and preceding 2521.

Contents

In mathematics

2520 is:

  • the smallest number divisible by all integers from 1 to 10, i.e., it is their least common multiple.
  • half of 7! (5040), meaning 7 factorial, or 1×2×3×4×5×6×7.
  • the product of five consecutive numbers, namely 3×4×5×6×7.
  • a superior highly composite number.
  • a colossally abundant number.
  • the last highly composite number which is half of the next highly composite number.
  • the last highly composite number that is a divisor of all following highly composite numbers.
  • palindromic in bases 11 (199111), and a repdigit in bases 55, 59 and 62.
  • a Harshad number in bases 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 and 16.
  • the aliquot sum of 1080.
  • part of the 53-aliquot tree. The complete aliquot sequence starting at 1080 is: 1080, 2520, 6840, 16560, 41472, 82311, 27441, 12209, 451, 53, 1, 0.

    • Factors

    The factors, also called divisors, of 2520 are:

    1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520.

    References

    2520 (number) Wikipedia
    (Text) CC BY-SA