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113409860 = 225191492003
BaseRepresentation
bin1101100001001…
…11111101000100
321220101211002012
412300213331010
5213013103420
615130433352
72544652664
oct660477504
9256354065
10113409860
1159020563
1231b92858
131a65a435
14110c21a4
159e52dc5
hex6c27f44

113409860 has 48 divisors (see below), whose sum is σ = 252504000. Its totient is φ = 42666624.

The previous prime is 113409853. The next prime is 113409869. The reversal of 113409860 is 68904311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (113409869) 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, 55619 + ... + 57621.

It is an arithmetic number, because the mean of its divisors is an integer number (5260500).

Almost surely, 2113409860 is an apocalyptic number.

113409860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113409860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126252000).

113409860 is an abundant number, since it is smaller than the sum of its proper divisors (139094140).

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

113409860 is a wasteful number, since it uses less digits than its factorization.

113409860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 113409860 is about 10649.4065562359. The cubic root of 113409860 is about 484.0426219779.

The spelling of 113409860 in words is "one hundred thirteen million, four hundred nine thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 149 190 298 380 596 745 1490 2003 2831 2980 4006 5662 8012 10015 11324 14155 20030 28310 38057 40060 56620 76114 152228 190285 298447 380570 596894 761140 1193788 1492235 2984470 5670493 5968940 11340986 22681972 28352465 56704930 113409860