113428500 has 48 divisors (see below), whose sum is σ = 330308160. Its totient is φ = 30247200.

The previous prime is 113428493. The next prime is 113428501. The reversal of 113428500 is 5824311.

It is a super-2 number, since 2×113428500² = 25732049224500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113428501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36310 + ... + 39309.

It is an arithmetic number, because the mean of its divisors is an integer number (6881420).

Almost surely, 2^113428500 is an apocalyptic number.

113428500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113428500 is an abundant number, since it is smaller than the sum of its proper divisors (216879660).

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

113428500 is a wasteful number, since it uses less digits than its factorization.

113428500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75641 (or 75629 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 113428500 is about 10650.2816864156. The cubic root of 113428500 is about 484.0691395435.

The spelling of 113428500 in words is "one hundred thirteen million, four hundred twenty-eight thousand, five hundred".