47531244 has 12 divisors (see below), whose sum is σ = 110906264. Its totient is φ = 15843744.

The previous prime is 47531243. The next prime is 47531257. The reversal of 47531244 is 44213574.

47531244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (47531243) 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, 1980457 + ... + 1980480.

Almost surely, 2^47531244 is an apocalyptic number.

It is an amenable number.

47531244 is an abundant number, since it is smaller than the sum of its proper divisors (63375020).

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

47531244 is a wasteful number, since it uses less digits than its factorization.

47531244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960944 (or 3960942 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 47531244 is about 6894.2906814262. The cubic root of 47531244 is about 362.2372100946.

The spelling of 47531244 in words is "forty-seven million, five hundred thirty-one thousand, two hundred forty-four".