2520 (number)

2520 is the smallest number divisible by all numbers up to ten. There is no smaller number divisible by all the numbers from one to either nine or ten. For that reason it is also a Harshad number in binary, octal, duodecimal, hexadecimal, etc.

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2520
Cardinal	Two thousand five hundred and twenty
Ordinal	2520th
Factorization	<math>2^3 \cdot 3^2 \cdot 5 \cdot 7<math>
Roman numeral	MMDXX
Binary	100111011000
Duodecimal	1560
Hexadecimal	9D8

It may also be the largest number with at least as many divisors as any number less than twice as much. It is therefore also a highly composite number. It has 48 divisors.