30402052 has 24 divisors (see below), whose sum is σ = 59300640. Its totient is φ = 13553280.

The previous prime is 30402023. The next prime is 30402077. The reversal of 30402052 is 25020403.

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 7 ways as a sum of consecutive naturals, for example, 10474 + ... + 13057.

It is an arithmetic number, because the mean of its divisors is an integer number (2470860).

Almost surely, 2^30402052 is an apocalyptic number.

It is an amenable number.

30402052 is a deficient number, since it is larger than the sum of its proper divisors (28898588).

30402052 is a wasteful number, since it uses less digits than its factorization.

30402052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23571 (or 23569 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 30402052 is about 5513.8055823542. The cubic root of 30402052 is about 312.1051721920.

Adding to 30402052 its reverse (25020403), we get a palindrome (55422455).

The spelling of 30402052 in words is "thirty million, four hundred two thousand, fifty-two".