47151238 has 16 divisors (see below), whose sum is σ = 72363456. Its totient is φ = 23033920.

The previous prime is 47151233. The next prime is 47151239. The reversal of 47151238 is 83215174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47151233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28995 + ... + 30577.

It is an arithmetic number, because the mean of its divisors is an integer number (4522716).

Almost surely, 2^47151238 is an apocalyptic number.

47151238 is a deficient number, since it is larger than the sum of its proper divisors (25212218).

47151238 is a wasteful number, since it uses less digits than its factorization.

47151238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919.

The product of its digits is 6720, while the sum is 31.

The square root of 47151238 is about 6866.6759061427. The cubic root of 47151238 is about 361.2692798305.

The spelling of 47151238 in words is "forty-seven million, one hundred fifty-one thousand, two hundred thirty-eight".