47048931 has 36 divisors (see below), whose sum is σ = 72272304. Its totient is φ = 30618000.

The previous prime is 47048887. The next prime is 47048957. The reversal of 47048931 is 13984074.

It is a happy number.

It is not a de Polignac number, because 47048931 - 2⁷ = 47048803 is a prime.

It is a super-2 number, since 2×47048931² = 4427203816485522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47048971) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 465781 + ... + 465881.

It is an arithmetic number, because the mean of its divisors is an integer number (2007564).

Almost surely, 2^47048931 is an apocalyptic number.

47048931 is a deficient number, since it is larger than the sum of its proper divisors (25223373).

47048931 is an frugal number, since it uses more digits than its factorization.

47048931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 47048931 is about 6859.2223320140. Note that the first 3 decimals coincide. The cubic root of 47048931 is about 361.0078010812.

The spelling of 47048931 in words is "forty-seven million, forty-eight thousand, nine hundred thirty-one".