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679362073 = 13149350729
BaseRepresentation
bin101000011111100…
…011111000011001
31202100100011120021
4220133203320121
52342404041243
6151225030441
722556324305
oct5037437031
91670304507
10679362073
11319533865
1216b625421
13aa9947c0
1466324d05
153e9976ed
hex287e3e19

679362073 has 8 divisors (see below), whose sum is σ = 736533000. Its totient is φ = 622892928.

The previous prime is 679362071. The next prime is 679362077. The reversal of 679362073 is 370263976.

It can be written as a sum of positive squares in 4 ways, for example, as 62932489 + 616429584 = 7933^2 + 24828^2 .

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 679362073 - 21 = 679362071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679362071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173428 + ... + 177301.

It is an arithmetic number, because the mean of its divisors is an integer number (92066625).

Almost surely, 2679362073 is an apocalyptic number.

It is an amenable number.

679362073 is a deficient number, since it is larger than the sum of its proper divisors (57170927).

679362073 is a wasteful number, since it uses less digits than its factorization.

679362073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350891.

The product of its (nonzero) digits is 285768, while the sum is 43.

The square root of 679362073 is about 26064.5750588802. The cubic root of 679362073 is about 879.0908624783.

The spelling of 679362073 in words is "six hundred seventy-nine million, three hundred sixty-two thousand, seventy-three".

Divisors: 1 13 149 1937 350729 4559477 52258621 679362073