100489242 has 32 divisors (see below), whose sum is σ = 230326272. Its totient is φ = 28631664.

The previous prime is 100489217. The next prime is 100489247. The reversal of 100489242 is 242984001.

It is not an unprimeable number, because it can be changed into a prime (100489247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12963 + ... + 19209.

It is an arithmetic number, because the mean of its divisors is an integer number (7197696).

Almost surely, 2^100489242 is an apocalyptic number.

100489242 is an abundant number, since it is smaller than the sum of its proper divisors (129837030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100489242 is a wasteful number, since it uses less digits than its factorization.

100489242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 100489242 is about 10024.4322532501. The cubic root of 100489242 is about 464.9146056623.

The spelling of 100489242 in words is "one hundred million, four hundred eighty-nine thousand, two hundred forty-two".