30856052 has 12 divisors (see below), whose sum is σ = 54145476. Its totient is φ = 15385920.

The previous prime is 30856051. The next prime is 30856093. The reversal of 30856052 is 25065803.

It can be written as a sum of positive squares in 2 ways, for example, as 8916196 + 21939856 = 2986^2 + 4684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30856051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8849 + ... + 11832.

It is an arithmetic number, because the mean of its divisors is an integer number (4512123).

Almost surely, 2^30856052 is an apocalyptic number.

It is an amenable number.

30856052 is a deficient number, since it is larger than the sum of its proper divisors (23289424).

30856052 is a wasteful number, since it uses less digits than its factorization.

30856052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21058 (or 21056 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 30856052 is about 5554.8224094025. The cubic root of 30856052 is about 313.6510790089.

The spelling of 30856052 in words is "thirty million, eight hundred fifty-six thousand, fifty-two".