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107856812 = 22731137907
BaseRepresentation
bin1100110110111…
…00001110101100
321111221200201202
412123130032230
5210102404222
614411425032
72446524230
oct633341654
9244850652
10107856812
1155978468
1230155178
13194649cb
14104785c0
159707892
hex66dc3ac

107856812 has 48 divisors (see below), whose sum is σ = 224544768. Its totient is φ = 44357760.

The previous prime is 107856811. The next prime is 107856851. The reversal of 107856812 is 218658701.

It is not an unprimeable number, because it can be changed into a prime (107856811) 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, 118463 + ... + 119369.

It is an arithmetic number, because the mean of its divisors is an integer number (4678016).

Almost surely, 2107856812 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 107856812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112272384).

107856812 is an abundant number, since it is smaller than the sum of its proper divisors (116687956).

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

107856812 is a wasteful number, since it uses less digits than its factorization.

107856812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 107856812 is about 10385.4134246066. The cubic root of 107856812 is about 476.0097625284.

The spelling of 107856812 in words is "one hundred seven million, eight hundred fifty-six thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 31 62 124 137 217 274 434 548 868 907 959 1814 1918 3628 3836 4247 6349 8494 12698 16988 25396 28117 29729 56234 59458 112468 118916 124259 196819 248518 393638 497036 787276 869813 1739626 3479252 3852029 7704058 15408116 26964203 53928406 107856812