30282156 has 36 divisors (see below), whose sum is σ = 76730472. Its totient is φ = 10069824.

The previous prime is 30282107. The next prime is 30282157. The reversal of 30282156 is 65128203.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (30282157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20416 + ... + 21848.

It is an arithmetic number, because the mean of its divisors is an integer number (2131402).

Almost surely, 2^30282156 is an apocalyptic number.

30282156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30282156 is an abundant number, since it is smaller than the sum of its proper divisors (46448316).

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

30282156 is a wasteful number, since it uses less digits than its factorization.

30282156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 30282156 is about 5502.9224962741. The cubic root of 30282156 is about 311.6943505710.

It can be divided in two parts, 3028 and 2156, that added together give a square (5184 = 72²).

The spelling of 30282156 in words is "thirty million, two hundred eighty-two thousand, one hundred fifty-six".