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113687912 = 231331179197
BaseRepresentation
bin1101100011010…
…11110101101000
321220220221111102
412301223311220
5213101003122
615140420532
72550221432
oct661536550
9256827442
10113687912
11591a0458
12320a7748
131a726b70
1411155652
159eaa492
hex6c6bd68

113687912 has 64 divisors (see below), whose sum is σ = 239500800. Its totient is φ = 50238720.

The previous prime is 113687909. The next prime is 113687921. The reversal of 113687912 is 219786311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576998 + ... + 577194.

It is an arithmetic number, because the mean of its divisors is an integer number (3742200).

Almost surely, 2113687912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113687912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119750400).

113687912 is an abundant number, since it is smaller than the sum of its proper divisors (125812888).

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

113687912 is a wasteful number, since it uses less digits than its factorization.

113687912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 422 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 113687912 is about 10662.4533762169. The cubic root of 113687912 is about 484.4378820728.

The spelling of 113687912 in words is "one hundred thirteen million, six hundred eighty-seven thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 179 197 248 358 394 403 716 788 806 1432 1576 1612 2327 2561 3224 4654 5122 5549 6107 9308 10244 11098 12214 18616 20488 22196 24428 35263 44392 48856 70526 72137 79391 141052 144274 158782 282104 288548 317564 458419 577096 635128 916838 1093153 1833676 2186306 3667352 4372612 8745224 14210989 28421978 56843956 113687912