30013056 has 48 divisors (see below), whose sum is σ = 86369010. Its totient is φ = 10003968.

The previous prime is 30013051. The next prime is 30013063. The reversal of 30013056 is 65031003.

It can be written as a sum of positive squares in only one way, i.e., 21013056 + 9000000 = 4584^2 + 3000^2 .

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (30013051) 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, 11875 + ... + 14178.

Almost surely, 2^30013056 is an apocalyptic number.

30013056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30013056 is an abundant number, since it is smaller than the sum of its proper divisors (56355954).

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

30013056 is a wasteful number, since it uses less digits than its factorization.

30013056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26073 (or 26058 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 30013056 is about 5478.4172896923. The cubic root of 30013056 is about 310.7683196442.

Adding to 30013056 its reverse (65031003), we get a palindrome (95044059).

The spelling of 30013056 in words is "thirty million, thirteen thousand, fifty-six".