30101904 has 60 divisors (see below), whose sum is σ = 96281536. Its totient is φ = 8600256.

The previous prime is 30101891. The next prime is 30101927. The reversal of 30101904 is 40910103.

It is a super-2 number, since 2×30101904² = 1812249248850432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13924 + ... + 15939.

Almost surely, 2^30101904 is an apocalyptic number.

It is an amenable number.

30101904 is an abundant number, since it is smaller than the sum of its proper divisors (66179632).

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

30101904 is a wasteful number, since it uses less digits than its factorization.

30101904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29884 (or 29875 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 30101904 is about 5486.5202086568. The cubic root of 30101904 is about 311.0746745688.

The spelling of 30101904 in words is "thirty million, one hundred one thousand, nine hundred four".