30250988 has 12 divisors (see below), whose sum is σ = 53425680. Its totient is φ = 14986512.

The previous prime is 30250967. The next prime is 30250999. The reversal of 30250988 is 88905203.

It is a super-2 number, since 2×30250988² = 1830244549952288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34256 + ... + 35127.

It is an arithmetic number, because the mean of its divisors is an integer number (4452140).

Almost surely, 2^30250988 is an apocalyptic number.

It is an amenable number.

30250988 is a deficient number, since it is larger than the sum of its proper divisors (23174692).

30250988 is a wasteful number, since it uses less digits than its factorization.

30250988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69496 (or 69494 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 30250988 is about 5500.0898174484. The cubic root of 30250988 is about 311.5873764127.

The spelling of 30250988 in words is "thirty million, two hundred fifty thousand, nine hundred eighty-eight".