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113686144 = 2711136211
BaseRepresentation
bin1101100011010…
…11011010000000
321220220212001221
412301223122000
5213100424034
615140404424
72550213325
oct661533200
9256825057
10113686144
115919a0a0
12320a6714
131a726110
1411154b4c
159ea9bb4
hex6c6b680

113686144 has 64 divisors (see below), whose sum is σ = 266122080. Its totient is φ = 47692800.

The previous prime is 113686141. The next prime is 113686151. The reversal of 113686144 is 441686311.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (113686141) 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, 15199 + ... + 21409.

Almost surely, 2113686144 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 113686144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133061040).

113686144 is an abundant number, since it is smaller than the sum of its proper divisors (152435936).

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

113686144 is a wasteful number, since it uses less digits than its factorization.

113686144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249 (or 6237 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 113686144 is about 10662.3704681464. The cubic root of 113686144 is about 484.4353708395.

The spelling of 113686144 in words is "one hundred thirteen million, six hundred eighty-six thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 128 143 176 208 286 352 416 572 704 832 1144 1408 1664 2288 4576 6211 9152 12422 18304 24844 49688 68321 80743 99376 136642 161486 198752 273284 322972 397504 546568 645944 795008 888173 1093136 1291888 1776346 2186272 2583776 3552692 4372544 5167552 7105384 8745088 10335104 14210768 28421536 56843072 113686144