47138100 has 36 divisors (see below), whose sum is σ = 136387104. Its totient is φ = 12570080.

The previous prime is 47138083. The next prime is 47138129. The reversal of 47138100 is 183174.

47138100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47138100² = 4444000943220000, which contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 78264 + ... + 78863.

Almost surely, 2^47138100 is an apocalyptic number.

It is an amenable number.

47138100 is an abundant number, since it is smaller than the sum of its proper divisors (89249004).

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

47138100 is a wasteful number, since it uses less digits than its factorization.

47138100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157144 (or 157137 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 47138100 is about 6865.7191902961. The cubic root of 47138100 is about 361.2357225872.

The spelling of 47138100 in words is "forty-seven million, one hundred thirty-eight thousand, one hundred".