30502830 has 32 divisors (see below), whose sum is σ = 76391424. Its totient is φ = 7780256.

The previous prime is 30502817. The next prime is 30502861. The reversal of 30502830 is 3820503.

It is a junction number, because it is equal to n+sod(n) for n = 30502797 and 30502806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21414 + ... + 22793.

It is an arithmetic number, because the mean of its divisors is an integer number (2387232).

Almost surely, 2^30502830 is an apocalyptic number.

30502830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30502830 is an abundant number, since it is smaller than the sum of its proper divisors (45888594).

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

30502830 is a wasteful number, since it uses less digits than its factorization.

30502830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44240.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30502830 is about 5522.9367188118. The cubic root of 30502830 is about 312.4496516219.

The spelling of 30502830 in words is "thirty million, five hundred two thousand, eight hundred thirty".