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679465831 = 11244725243
BaseRepresentation
bin101000011111111…
…101001101100111
31202100112102220011
4220133331031213
52342420401311
6151231151051
722560235642
oct5037751547
91670472804
10679465831
113195a4810
1216b675487
13aa9ccab5
1466350a59
153e9b8321
hex287fd367

679465831 has 8 divisors (see below), whose sum is σ = 741567744. Its totient is φ = 617419320.

The previous prime is 679465819. The next prime is 679465837. The reversal of 679465831 is 138564976.

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 679465831 - 227 = 545248103 is a prime.

It is a super-2 number, since 2×6794658312 = 923347630993041122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679465837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14296 + ... + 39538.

It is an arithmetic number, because the mean of its divisors is an integer number (92695968).

Almost surely, 2679465831 is an apocalyptic number.

679465831 is a deficient number, since it is larger than the sum of its proper divisors (62101913).

679465831 is a wasteful number, since it uses less digits than its factorization.

679465831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27701.

The product of its digits is 1088640, while the sum is 49.

The square root of 679465831 is about 26066.5653855662. The cubic root of 679465831 is about 879.1356142977.

The spelling of 679465831 in words is "six hundred seventy-nine million, four hundred sixty-five thousand, eight hundred thirty-one".

Divisors: 1 11 2447 25243 26917 277673 61769621 679465831