30113568 has 36 divisors (see below), whose sum is σ = 85636278. Its totient is φ = 10037760.

The previous prime is 30113563. The next prime is 30113569. The reversal of 30113568 is 86531103.

30113568 is a `hidden beast` number, since 301 + 1 + 356 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28005264 + 2108304 = 5292^2 + 1452^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (30113563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51993 + ... + 52568.

Almost surely, 2^30113568 is an apocalyptic number.

It is an amenable number.

30113568 is an abundant number, since it is smaller than the sum of its proper divisors (55522710).

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

30113568 is a wasteful number, since it uses less digits than its factorization.

30113568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104577 (or 104566 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 30113568 is about 5487.5830745420. The cubic root of 30113568 is about 311.1148481788.

The spelling of 30113568 in words is "thirty million, one hundred thirteen thousand, five hundred sixty-eight".