47945228 has 12 divisors (see below), whose sum is σ = 83952792. Its totient is φ = 23958720.

The previous prime is 47945203. The next prime is 47945239. The reversal of 47945228 is 82254974.

47945228 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 3 ways as a sum of consecutive naturals, for example, 10868 + ... + 14628.

It is an arithmetic number, because the mean of its divisors is an integer number (6996066).

Almost surely, 2^47945228 is an apocalyptic number.

It is an amenable number.

47945228 is a deficient number, since it is larger than the sum of its proper divisors (36007564).

47945228 is a wasteful number, since it uses less digits than its factorization.

47945228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952 (or 6950 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 47945228 is about 6924.2492733870. The cubic root of 47945228 is about 363.2858335533.

The spelling of 47945228 in words is "forty-seven million, nine hundred forty-five thousand, two hundred twenty-eight".