30492530 has 48 divisors (see below), whose sum is σ = 60056640. Its totient is φ = 11115360.

The previous prime is 30492529. The next prime is 30492541. The reversal of 30492530 is 3529403.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30492530.

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 23 ways as a sum of consecutive naturals, for example, 182507 + ... + 182673.

It is an arithmetic number, because the mean of its divisors is an integer number (1251180).

Almost surely, 2^30492530 is an apocalyptic number.

30492530 is a deficient number, since it is larger than the sum of its proper divisors (29564110).

30492530 is a wasteful number, since it uses less digits than its factorization.

30492530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 30492530 is about 5522.0041651560. The cubic root of 30492530 is about 312.4144789978.

The spelling of 30492530 in words is "thirty million, four hundred ninety-two thousand, five hundred thirty".