30115052 has 12 divisors (see below), whose sum is σ = 57492456. Its totient is φ = 13688640.

The previous prime is 30115039. The next prime is 30115061. The reversal of 30115052 is 25051103.

It is a self number, because there is not a number n which added to its sum of digits gives 30115052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342173 + ... + 342260.

It is an arithmetic number, because the mean of its divisors is an integer number (4791038).

Almost surely, 2^30115052 is an apocalyptic number.

It is an amenable number.

30115052 is a deficient number, since it is larger than the sum of its proper divisors (27377404).

30115052 is a wasteful number, since it uses less digits than its factorization.

30115052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684448 (or 684446 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 30115052 is about 5487.7182872301. The cubic root of 30115052 is about 311.1199586864.

Adding to 30115052 its reverse (25051103), we get a palindrome (55166155).

The spelling of 30115052 in words is "thirty million, one hundred fifteen thousand, fifty-two".