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79937992 = 2353188533
BaseRepresentation
bin1001100001111…
…00000111001000
312120102021022101
410300330013020
5130431003432
611533203144
71660314241
oct460740710
9176367271
1079937992
1141139662
12229304b4
131373b0b4
14a88bcc8
1570404e7
hex4c3c1c8

79937992 has 16 divisors (see below), whose sum is σ = 152712540. Its totient is φ = 39214656.

The previous prime is 79937969. The next prime is 79938017. The reversal of 79937992 is 29973997.

It can be written as a sum of positive squares in 2 ways, for example, as 73856836 + 6081156 = 8594^2 + 2466^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93843 + ... + 94690.

Almost surely, 279937992 is an apocalyptic number.

It is an amenable number.

79937992 is a deficient number, since it is larger than the sum of its proper divisors (72774548).

79937992 is a wasteful number, since it uses less digits than its factorization.

79937992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188592 (or 188588 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 55.

The square root of 79937992 is about 8940.8048854675. The cubic root of 79937992 is about 430.7755824090.

The spelling of 79937992 in words is "seventy-nine million, nine hundred thirty-seven thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 53 106 212 424 188533 377066 754132 1508264 9992249 19984498 39968996 79937992