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113919860 = 22552310891
BaseRepresentation
bin1101100101001…
…00011101110100
321221100201200002
412302210131310
5213130413420
615145410432
72552205605
oct662443564
9257321602
10113919860
115933974a
1232199a18
131a7a8602
14111b5dac
15a004075
hex6ca4774

113919860 has 24 divisors (see below), whose sum is σ = 239711136. Its totient is φ = 45476640.

The previous prime is 113919847. The next prime is 113919863. The reversal of 113919860 is 68919311.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113919863) 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, 5015 + ... + 15905.

It is an arithmetic number, because the mean of its divisors is an integer number (9987964).

Almost surely, 2113919860 is an apocalyptic number.

113919860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113919860 is an abundant number, since it is smaller than the sum of its proper divisors (125791276).

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

113919860 is a wasteful number, since it uses less digits than its factorization.

113919860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423 (or 11421 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 113919860 is about 10673.3246928968. The cubic root of 113919860 is about 484.7671110602.

The spelling of 113919860 in words is "one hundred thirteen million, nine hundred nineteen thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 523 1046 2092 2615 5230 10460 10891 21782 43564 54455 108910 217820 5695993 11391986 22783972 28479965 56959930 113919860