30243056 has 20 divisors (see below), whose sum is σ = 60617400. Its totient is φ = 14599872.

The previous prime is 30243049. The next prime is 30243107. The reversal of 30243056 is 65034203.

It is a congruent number.

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, 32126 + ... + 33053.

It is an arithmetic number, because the mean of its divisors is an integer number (3030870).

Almost surely, 2^30243056 is an apocalyptic number.

It is an amenable number.

30243056 is an abundant number, since it is smaller than the sum of its proper divisors (30374344).

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

30243056 is a wasteful number, since it uses less digits than its factorization.

30243056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65216 (or 65210 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30243056 is about 5499.3686910408. The cubic root of 30243056 is about 311.5601406398.

Adding to 30243056 its reverse (65034203), we get a palindrome (95277259).

The spelling of 30243056 in words is "thirty million, two hundred forty-three thousand, fifty-six".