115731850 has 48 divisors (see below), whose sum is σ = 244046880. Its totient is φ = 40478400.

The previous prime is 115731827. The next prime is 115731853. The reversal of 115731850 is 58137511.

It is a super-2 number, since 2×115731850² = 26787722208845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115731853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7665 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (5084310).

Almost surely, 2^115731850 is an apocalyptic number.

115731850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115731850 is an abundant number, since it is smaller than the sum of its proper divisors (128315030).

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

115731850 is a wasteful number, since it uses less digits than its factorization.

115731850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415 (or 9410 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 115731850 is about 10757.8738605730. The cubic root of 115731850 is about 487.3238109745.

The spelling of 115731850 in words is "one hundred fifteen million, seven hundred thirty-one thousand, eight hundred fifty".