30532980 has 48 divisors (see below), whose sum is σ = 86675904. Its totient is φ = 8029440.

The previous prime is 30532979. The next prime is 30532991. The reversal of 30532980 is 8923503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 895 + ... + 7865.

It is an arithmetic number, because the mean of its divisors is an integer number (1805748).

Almost surely, 2^30532980 is an apocalyptic number.

30532980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30532980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43337952).

30532980 is an abundant number, since it is smaller than the sum of its proper divisors (56142924).

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

30532980 is a wasteful number, since it uses less digits than its factorization.

30532980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056 (or 7054 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 30532980 is about 5525.6655707706. The cubic root of 30532980 is about 312.5525628917.

The spelling of 30532980 in words is "thirty million, five hundred thirty-two thousand, nine hundred eighty".