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113687808 = 2831359193
BaseRepresentation
bin1101100011010…
…11110100000000
321220220221100120
412301223310000
5213101002213
615140420240
72550221223
oct661536400
9256827316
10113687808
11591a0373
12320a7680
131a726ac0
14111555ba
159eaa423
hex6c6bd00

113687808 has 144 divisors (see below), whose sum is σ = 333090240. Its totient is φ = 34209792.

The previous prime is 113687771. The next prime is 113687837. The reversal of 113687808 is 808786311.

It is a self number, because there is not a number n which added to its sum of digits gives 113687808.

It is a congruent number.

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, 588960 + ... + 589152.

Almost surely, 2113687808 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 113687808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166545120).

113687808 is an abundant number, since it is smaller than the sum of its proper divisors (219402432).

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

113687808 is a wasteful number, since it uses less digits than its factorization.

113687808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 113687808 is about 10662.4484992895. The cubic root of 113687808 is about 484.4377343539.

The spelling of 113687808 in words is "one hundred thirteen million, six hundred eighty-seven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 59 64 78 96 104 118 128 156 177 192 193 208 236 256 312 354 384 386 416 472 579 624 708 767 768 772 832 944 1158 1248 1416 1534 1544 1664 1888 2301 2316 2496 2509 2832 3068 3088 3328 3776 4602 4632 4992 5018 5664 6136 6176 7527 7552 9204 9264 9984 10036 11328 11387 12272 12352 15054 15104 18408 18528 20072 22656 22774 24544 24704 30108 34161 36816 37056 40144 45312 45548 49088 49408 60216 68322 73632 74112 80288 91096 98176 120432 136644 147264 148031 148224 160576 182192 196352 240864 273288 294528 296062 321152 364384 444093 481728 546576 589056 592124 642304 728768 888186 963456 1093152 1184248 1457536 1776372 1926912 2186304 2368496 2915072 3552744 4372608 4736992 7105488 8745216 9473984 14210976 18947968 28421952 37895936 56843904 113687808