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113180 = 2255659
BaseRepresentation
bin11011101000011100
312202020212
4123220130
512110210
62231552
7650654
oct335034
9182225
10113180
1178041
12555b8
133c692
142d364
1523805
hex1ba1c

113180 has 12 divisors (see below), whose sum is σ = 237720. Its totient is φ = 45264.

The previous prime is 113177. The next prime is 113189. The reversal of 113180 is 81311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2810 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (19810).

2113180 is an apocalyptic number.

113180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113180 is an abundant number, since it is smaller than the sum of its proper divisors (124540).

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

113180 is a wasteful number, since it uses less digits than its factorization.

113180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668 (or 5666 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 113180 is about 336.4223535974. The cubic root of 113180 is about 48.3715380323.

Adding to 113180 its reverse (81311), we get a palindrome (194491).

It can be divided in two parts, 11 and 3180, that multiplied together give a triangular number (34980 = T264).

The spelling of 113180 in words is "one hundred thirteen thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 5659 11318 22636 28295 56590 113180