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108373131 = 32191075923
BaseRepresentation
bin1100111010110…
…10010010001011
321112220220222200
412131122102023
5210220420011
614430451243
72454104436
oct635322213
9245826880
10108373131
11561a0379
1230363b23
13195b5a19
141057081d
1597aa856
hex675a48b

108373131 has 24 divisors (see below), whose sum is σ = 166345920. Its totient is φ = 67795056.

The previous prime is 108373129. The next prime is 108373151. The reversal of 108373131 is 131373801.

It is not a de Polignac number, because 108373131 - 21 = 108373129 is a prime.

It is a super-2 number, since 2×1083731312 = 23489471045486322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108373095 and 108373104.

It is not an unprimeable number, because it can be changed into a prime (108373151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15336 + ... + 21258.

It is an arithmetic number, because the mean of its divisors is an integer number (6931080).

Almost surely, 2108373131 is an apocalyptic number.

108373131 is a deficient number, since it is larger than the sum of its proper divisors (57972789).

108373131 is a wasteful number, since it uses less digits than its factorization.

108373131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055 (or 6052 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 108373131 is about 10410.2416398468. The cubic root of 108373131 is about 476.7681190373.

The spelling of 108373131 in words is "one hundred eight million, three hundred seventy-three thousand, one hundred thirty-one".

Divisors: 1 3 9 19 57 107 171 321 963 2033 5923 6099 17769 18297 53307 112537 337611 633761 1012833 1901283 5703849 12041459 36124377 108373131