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79400082 = 2315238689
BaseRepresentation
bin1001011101110…
…00110010010010
312112101221102210
410232320302102
5130311300312
611513452550
71652614056
oct456706222
9175357383
1079400082
1140901503
1222711156
13135b02c8
14a78bc66
156e85e3c
hex4bb8c92

79400082 has 16 divisors (see below), whose sum is σ = 158922720. Its totient is φ = 26446272.

The previous prime is 79400077. The next prime is 79400093. The reversal of 79400082 is 28000497.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4794 + ... + 13482.

It is an arithmetic number, because the mean of its divisors is an integer number (9932670).

Almost surely, 279400082 is an apocalyptic number.

79400082 is an abundant number, since it is smaller than the sum of its proper divisors (79522638).

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

79400082 is a wasteful number, since it uses less digits than its factorization.

79400082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 79400082 is about 8910.6723652034. The cubic root of 79400082 is about 429.8071643010.

The spelling of 79400082 in words is "seventy-nine million, four hundred thousand, eighty-two".

Divisors: 1 2 3 6 1523 3046 4569 8689 9138 17378 26067 52134 13233347 26466694 39700041 79400082