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79674445 = 528015689
BaseRepresentation
bin1001011111110…
…11110001001101
312112220212210101
410233323301031
5130344040240
611523411101
71655136004
oct457736115
9175825711
1079674445
1140a79654
1222823a91
1313678156
14a81dc3b
156edc39a
hex4bfbc4d

79674445 has 8 divisors (see below), whose sum is σ = 95660280. Its totient is φ = 63705600.

The previous prime is 79674437. The next prime is 79674473. The reversal of 79674445 is 54447697.

It can be written as a sum of positive squares in 4 ways, for example, as 26399044 + 53275401 = 5138^2 + 7299^2 .

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

It is not a de Polignac number, because 79674445 - 23 = 79674437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79674395 and 79674404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11161 + ... + 16849.

It is an arithmetic number, because the mean of its divisors is an integer number (11957535).

Almost surely, 279674445 is an apocalyptic number.

It is an amenable number.

79674445 is a deficient number, since it is larger than the sum of its proper divisors (15985835).

79674445 is a wasteful number, since it uses less digits than its factorization.

79674445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495.

The product of its digits is 846720, while the sum is 46.

The square root of 79674445 is about 8926.0542794675. The cubic root of 79674445 is about 430.3016542071.

The spelling of 79674445 in words is "seventy-nine million, six hundred seventy-four thousand, four hundred forty-five".

Divisors: 1 5 2801 5689 14005 28445 15934889 79674445