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79703125 = 565101
BaseRepresentation
bin1001100000000…
…10110001010101
312112222100010121
410300002301111
5130401000000
611524151541
71655315425
oct460026125
9175870117
1079703125
1140a99157
12228385b1
1313688218
14a82a485
156ee5b1a
hex4c02c55

79703125 has 14 divisors (see below), whose sum is σ = 99647162. Its totient is φ = 63750000.

The previous prime is 79703111. The next prime is 79703131. The reversal of 79703125 is 52130797.

It can be written as a sum of positive squares in 7 ways, for example, as 66699889 + 13003236 = 8167^2 + 3606^2 .

It is not a de Polignac number, because 79703125 - 25 = 79703093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 13075 + ... + 18175.

Almost surely, 279703125 is an apocalyptic number.

It is an amenable number.

79703125 is a deficient number, since it is larger than the sum of its proper divisors (19944037).

79703125 is an frugal number, since it uses more digits than its factorization.

79703125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5106 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 79703125 is about 8927.6606678345. The cubic root of 79703125 is about 430.3532791706.

The spelling of 79703125 in words is "seventy-nine million, seven hundred three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 3125 5101 15625 25505 127525 637625 3188125 15940625 79703125