Search a number
-
+
79670425 = 5231110247
BaseRepresentation
bin1001011111110…
…10110010011001
312112220200021111
410233322302121
5130343423200
611523340321
71655121202
oct457726231
9175820244
1079670425
1140a7662a
12228216a1
1313676383
14a81c5a9
156edb0ba
hex4bfac99

79670425 has 12 divisors (see below), whose sum is σ = 99118656. Its totient is φ = 63525200.

The previous prime is 79670407. The next prime is 79670447. The reversal of 79670425 is 52407697.

It is not a de Polignac number, because 79670425 - 223 = 71281817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2652 + ... + 12898.

It is an arithmetic number, because the mean of its divisors is an integer number (8259888).

Almost surely, 279670425 is an apocalyptic number.

It is an amenable number.

79670425 is a deficient number, since it is larger than the sum of its proper divisors (19448231).

79670425 is a wasteful number, since it uses less digits than its factorization.

79670425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568 (or 10563 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 79670425 is about 8925.8290931431. The cubic root of 79670425 is about 430.2944170821.

The spelling of 79670425 in words is "seventy-nine million, six hundred seventy thousand, four hundred twenty-five".

Divisors: 1 5 25 311 1555 7775 10247 51235 256175 3186817 15934085 79670425