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107687428 = 22317910993
BaseRepresentation
bin1100110101100…
…10111000000100
321111122002101021
412122302320010
5210031444203
614404040524
72445220342
oct632627004
9244562337
10107687428
1155872182
1230093144
1319405894
1410432992
1596c25bd
hex66b2e04

107687428 has 24 divisors (see below), whose sum is σ = 197012480. Its totient is φ = 51442560.

The previous prime is 107687413. The next prime is 107687431. The reversal of 107687428 is 824786701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4300 + ... + 15292.

Almost surely, 2107687428 is an apocalyptic number.

It is an amenable number.

107687428 is a deficient number, since it is larger than the sum of its proper divisors (89325052).

107687428 is a wasteful number, since it uses less digits than its factorization.

107687428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11107 (or 11105 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 107687428 is about 10377.2553211338. The cubic root of 107687428 is about 475.7604483970.

Subtracting from 107687428 its product of nonzero digits (150528), we obtain a square (107536900 = 103702).

The spelling of 107687428 in words is "one hundred seven million, six hundred eighty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 31 62 79 124 158 316 2449 4898 9796 10993 21986 43972 340783 681566 868447 1363132 1736894 3473788 26921857 53843714 107687428