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79487425 = 5223138239
BaseRepresentation
bin1001011110011…
…10000111000001
312112120101020201
410233032013001
5130322044200
611515405201
71653426523
oct457160701
9175511221
1079487425
1140961096
1222753801
1313610ca4
14a7b1a13
156ea1c6a
hex4bce1c1

79487425 has 12 divisors (see below), whose sum is σ = 102850560. Its totient is φ = 60824720.

The previous prime is 79487399. The next prime is 79487449. The reversal of 79487425 is 52478497.

It is not a de Polignac number, because 79487425 - 27 = 79487297 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 68545 + ... + 69694.

It is an arithmetic number, because the mean of its divisors is an integer number (8570880).

Almost surely, 279487425 is an apocalyptic number.

It is an amenable number.

79487425 is a deficient number, since it is larger than the sum of its proper divisors (23363135).

79487425 is a wasteful number, since it uses less digits than its factorization.

79487425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138272 (or 138267 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 79487425 is about 8915.5720511922. The cubic root of 79487425 is about 429.9647077579.

The spelling of 79487425 in words is "seventy-nine million, four hundred eighty-seven thousand, four hundred twenty-five".

Divisors: 1 5 23 25 115 575 138239 691195 3179497 3455975 15897485 79487425