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107921697 = 3132767223
BaseRepresentation
bin1100110111011…
…00000100100001
321112001222201220
412123230010201
5210111443242
614413045253
72450214342
oct633540441
9245058656
10107921697
1155a12194
1230186829
13194883c0
14104940c9
15971bbec
hex66ec121

107921697 has 8 divisors (see below), whose sum is σ = 154964544. Its totient is φ = 66413328.

The previous prime is 107921689. The next prime is 107921713. The reversal of 107921697 is 796129701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 107921697 - 23 = 107921689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (107921617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383573 + ... + 1383650.

It is an arithmetic number, because the mean of its divisors is an integer number (19370568).

Almost surely, 2107921697 is an apocalyptic number.

It is an amenable number.

107921697 is a deficient number, since it is larger than the sum of its proper divisors (47042847).

107921697 is a wasteful number, since it uses less digits than its factorization.

107921697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767239.

The product of its (nonzero) digits is 47628, while the sum is 42.

The square root of 107921697 is about 10388.5368074623. The cubic root of 107921697 is about 476.1051967788.

The spelling of 107921697 in words is "one hundred seven million, nine hundred twenty-one thousand, six hundred ninety-seven".

Divisors: 1 3 13 39 2767223 8301669 35973899 107921697