30254172 has 24 divisors (see below), whose sum is σ = 76023696. Its totient is φ = 9308928.

The previous prime is 30254153. The next prime is 30254183. The reversal of 30254172 is 27145203.

It is a congruent number.

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, 96813 + ... + 97124.

It is an arithmetic number, because the mean of its divisors is an integer number (3167654).

Almost surely, 2^30254172 is an apocalyptic number.

It is an amenable number.

30254172 is an abundant number, since it is smaller than the sum of its proper divisors (45769524).

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

30254172 is a wasteful number, since it uses less digits than its factorization.

30254172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193957 (or 193955 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 30254172 is about 5500.3792596511. The cubic root of 30254172 is about 311.5983078397.

Adding to 30254172 its reverse (27145203), we get a palindrome (57399375).

The spelling of 30254172 in words is "thirty million, two hundred fifty-four thousand, one hundred seventy-two".