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116831808 = 263431727
BaseRepresentation
bin1101111011010…
…11011001000000
322010211200010000
412331223121000
5214402104213
615332040000
72616024342
oct675533100
9263750100
10116831808
115aa48515
1233163000
131b287b62
1411733292
15a3cbc73
hex6f6b640

116831808 has 140 divisors (see below), whose sum is σ = 357989632. Its totient is φ = 37635840.

The previous prime is 116831797. The next prime is 116831821. The reversal of 116831808 is 808138611.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 160341 + ... + 161067.

Almost surely, 2116831808 is an apocalyptic number.

116831808 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 116831808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178994816).

116831808 is an abundant number, since it is smaller than the sum of its proper divisors (241157824).

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

116831808 is an equidigital number, since it uses as much as digits as its factorization.

116831808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 116831808 is about 10808.8763523319. The cubic root of 116831808 is about 488.8628468528.

The spelling of 116831808 in words is "one hundred sixteen million, eight hundred thirty-one thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 81 93 96 108 124 144 162 186 192 216 248 279 288 324 372 432 496 558 576 648 727 744 837 864 992 1116 1296 1454 1488 1674 1728 1984 2181 2232 2511 2592 2908 2976 3348 4362 4464 5022 5184 5816 5952 6543 6696 8724 8928 10044 11632 13086 13392 17448 17856 19629 20088 22537 23264 26172 26784 34896 39258 40176 45074 46528 52344 53568 58887 67611 69792 78516 80352 90148 104688 117774 135222 139584 157032 160704 180296 202833 209376 235548 270444 314064 360592 405666 418752 471096 540888 608499 628128 721184 811332 942192 1081776 1216998 1256256 1442368 1622664 1825497 1884384 2163552 2433996 3245328 3650994 3768768 4327104 4867992 6490656 7301988 9735984 12981312 14603976 19471968 29207952 38943936 58415904 116831808