30992150 has 48 divisors (see below), whose sum is σ = 66837984. Its totient is φ = 10471680.

The previous prime is 30992147. The next prime is 30992161. The reversal of 30992150 is 5129903.

30992150 = T₆₀ + T₆₁ + ... + T₅₇₀.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24944 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (1392458).

Almost surely, 2^30992150 is an apocalyptic number.

30992150 is an abundant number, since it is smaller than the sum of its proper divisors (35845834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30992150 is a wasteful number, since it uses less digits than its factorization.

30992150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 30992150 is about 5567.0593673860. The cubic root of 30992150 is about 314.1115470457. Note that the first 3 decimals are identical.

The spelling of 30992150 in words is "thirty million, nine hundred ninety-two thousand, one hundred fifty".