30252688 has 10 divisors (see below), whose sum is σ = 58614614. Its totient is φ = 15126336.

The previous prime is 30252679. The next prime is 30252689. The reversal of 30252688 is 88625203.

It can be written as a sum of positive squares in only one way, i.e., 24720784 + 5531904 = 4972^2 + 2352^2 .

It is not an unprimeable number, because it can be changed into a prime (30252689) by changing a digit.

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 as a sum of consecutive naturals, namely, 945381 + ... + 945412.

Almost surely, 2^30252688 is an apocalyptic number.

It is an amenable number.

30252688 is a deficient number, since it is larger than the sum of its proper divisors (28361926).

30252688 is a wasteful number, since it uses less digits than its factorization.

30252688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890801 (or 1890795 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 30252688 is about 5500.2443582081. The cubic root of 30252688 is about 311.5932130112.

The spelling of 30252688 in words is "thirty million, two hundred fifty-two thousand, six hundred eighty-eight".