139572

139572 is an even composite number, divisible by a total of 16 positive divisors. Among these divisors, four of them are prime numbers: 2, 3, 7, and 11. The prime factorization of 139572 is 2^2 * 3 * 7 * 11 * 19 * 61.

This number can also be expressed as a sum of distinct squares in one way: 139572 = 689^2 + 16 * 183^2. Furthermore, it can be written as a sum of six distinct fourth powers: 139572 = 41^4 + 20^4 + 14^4 + 12^4 + 11^4 + 5^4.

As for approximation, 139572 is slightly less than two million and a bit more than one million eight hundred thousand. In terms of binary representation, it is a 20-digit binary number, with its decimal equivalent being one hundred twenty-nine thousand five hundred seventy-two.

In comparison, other even composite numbers, like 139580 and 139500, yield different results under similar mathematical operations.