47931980 has 24 divisors (see below), whose sum is σ = 100850400. Its totient is φ = 19136000.

The previous prime is 47931979. The next prime is 47931997. The reversal of 47931980 is 8913974.

It is a happy number.

47931980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9980 + ... + 13980.

It is an arithmetic number, because the mean of its divisors is an integer number (4202100).

Almost surely, 2^47931980 is an apocalyptic number.

It is an amenable number.

47931980 is an abundant number, since it is smaller than the sum of its proper divisors (52918420).

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

47931980 is a wasteful number, since it uses less digits than its factorization.

47931980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 47931980 is about 6923.2925692910. The cubic root of 47931980 is about 363.2523699931.

The spelling of 47931980 in words is "forty-seven million, nine hundred thirty-one thousand, nine hundred eighty".