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79875413 = 616591987
BaseRepresentation
bin1001100001011…
…00110101010101
312120022002110122
410300230311111
5130422003123
611532001325
71656633632
oct460546525
9176262418
1079875413
11410a6642
1222900245
1313718777
14a873189
15702bbc8
hex4c2cd55

79875413 has 8 divisors (see below), whose sum is σ = 81348960. Its totient is φ = 78407280.

The previous prime is 79875337. The next prime is 79875511. The reversal of 79875413 is 31457897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79875413 - 28 = 79875157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79875713) by changing a digit.

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, 39206 + ... + 41192.

It is an arithmetic number, because the mean of its divisors is an integer number (10168620).

Almost surely, 279875413 is an apocalyptic number.

It is an amenable number.

79875413 is a deficient number, since it is larger than the sum of its proper divisors (1473547).

79875413 is a wasteful number, since it uses less digits than its factorization.

79875413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707.

The product of its digits is 211680, while the sum is 44.

The square root of 79875413 is about 8937.3045712899. The cubic root of 79875413 is about 430.6631429957.

The spelling of 79875413 in words is "seventy-nine million, eight hundred seventy-five thousand, four hundred thirteen".

Divisors: 1 61 659 1987 40199 121207 1309433 79875413