47131028 has 12 divisors (see below), whose sum is σ = 94262112. Its totient is φ = 20199000.

The previous prime is 47131027. The next prime is 47131031. The reversal of 47131028 is 82013174.

47131028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

47131028 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 47130988 and 47131006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47131027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 841598 + ... + 841653.

It is an arithmetic number, because the mean of its divisors is an integer number (7855176).

Almost surely, 2^47131028 is an apocalyptic number.

It is an amenable number.

47131028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47131028 is a wasteful number, since it uses less digits than its factorization.

47131028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683262 (or 1683260 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 47131028 is about 6865.2041484576. The cubic root of 47131028 is about 361.2176566151.

The spelling of 47131028 in words is "forty-seven million, one hundred thirty-one thousand, twenty-eight".