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113885568 = 2733311063
BaseRepresentation
bin1101100100111…
…00000110000000
321221021222122000
412302130012000
5213123314233
615144544000
72552003616
oct662340600
9257258560
10113885568
1159315a05
1232182000
131a795b14
14111a76b6
159ee8d13
hex6c9c180

113885568 has 128 divisors (see below), whose sum is σ = 347289600. Its totient is φ = 36702720.

The previous prime is 113885561. The next prime is 113885573. The reversal of 113885568 is 865588311.

113885568 is a `hidden beast` number, since 1 + 1 + 3 + 8 + 85 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113885561) 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, 106605 + ... + 107667.

It is an arithmetic number, because the mean of its divisors is an integer number (2713200).

Almost surely, 2113885568 is an apocalyptic number.

113885568 is a gapful number since it is divisible by the number (18) 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 113885568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173644800).

113885568 is an abundant number, since it is smaller than the sum of its proper divisors (233404032).

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

113885568 is a wasteful number, since it uses less digits than its factorization.

113885568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1099 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 113885568 is about 10671.7181372073. The cubic root of 113885568 is about 484.7184648685.

The spelling of 113885568 in words is "one hundred thirteen million, eight hundred eighty-five thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 93 96 108 124 128 144 186 192 216 248 279 288 372 384 432 496 558 576 744 837 864 992 1063 1116 1152 1488 1674 1728 1984 2126 2232 2976 3189 3348 3456 3968 4252 4464 5952 6378 6696 8504 8928 9567 11904 12756 13392 17008 17856 19134 25512 26784 28701 32953 34016 35712 38268 51024 53568 57402 65906 68032 76536 98859 102048 107136 114804 131812 136064 153072 197718 204096 229608 263624 296577 306144 395436 408192 459216 527248 593154 612288 790872 889731 918432 1054496 1186308 1224576 1581744 1779462 1836864 2108992 2372616 3163488 3558924 3673728 4217984 4745232 6326976 7117848 9490464 12653952 14235696 18980928 28471392 37961856 56942784 113885568