30091152 has 120 divisors (see below), whose sum is σ = 96841024. Its totient is φ = 7840512.

The previous prime is 30091133. The next prime is 30091163. The reversal of 30091152 is 25119003.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362503 + ... + 362585.

Almost surely, 2^30091152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30091152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48420512).

30091152 is an abundant number, since it is smaller than the sum of its proper divisors (66749872).

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

30091152 is a wasteful number, since it uses less digits than its factorization.

30091152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 30091152 is about 5485.5402650970. The cubic root of 30091152 is about 311.0376329118.

The spelling of 30091152 in words is "thirty million, ninety-one thousand, one hundred fifty-two".