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79897056 = 2534311931
BaseRepresentation
bin1001100001100…
…10000111100000
312120100012011020
410300302013200
5130423201211
611532245440
71660054011
oct460620740
9176305136
1079897056
1141110928
1222910880
1313725585
14a87b008
157033306
hex4c321e0

79897056 has 48 divisors (see below), whose sum is σ = 210325248. Its totient is φ = 26556800.

The previous prime is 79897021. The next prime is 79897063. The reversal of 79897056 is 65079897.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 40411 + ... + 42341.

It is an arithmetic number, because the mean of its divisors is an integer number (4381776).

Almost surely, 279897056 is an apocalyptic number.

It is an amenable number.

79897056 is an abundant number, since it is smaller than the sum of its proper divisors (130428192).

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

79897056 is a wasteful number, since it uses less digits than its factorization.

79897056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375 (or 2367 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 79897056 is about 8938.5153129589. The cubic root of 79897056 is about 430.7020369028.

The spelling of 79897056 in words is "seventy-nine million, eight hundred ninety-seven thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 431 862 1293 1724 1931 2586 3448 3862 5172 5793 6896 7724 10344 11586 13792 15448 20688 23172 30896 41376 46344 61792 92688 185376 832261 1664522 2496783 3329044 4993566 6658088 9987132 13316176 19974264 26632352 39948528 79897056