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679697331 = 3297812613
BaseRepresentation
bin101000100000110…
…101101110110011
31202100222012110020
4220200311232303
52343000303311
6151240134523
722562221605
oct5040655663
91670865406
10679697331
11319742735
1216b767443
13aaa81291
14663b1175
153ea11c06
hex28835bb3

679697331 has 8 divisors (see below), whose sum is σ = 937513680. Its totient is φ = 437506272.

The previous prime is 679697329. The next prime is 679697339. The reversal of 679697331 is 133796976.

679697331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 679697331 - 21 = 679697329 is a prime.

It is a super-2 number, since 2×6796973312 = 923976923537047122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679697339) 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, 3906220 + ... + 3906393.

It is an arithmetic number, because the mean of its divisors is an integer number (117189210).

Almost surely, 2679697331 is an apocalyptic number.

679697331 is a deficient number, since it is larger than the sum of its proper divisors (257816349).

679697331 is a wasteful number, since it uses less digits than its factorization.

679697331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812645.

The product of its digits is 1285956, while the sum is 51.

The square root of 679697331 is about 26071.0055617347. The cubic root of 679697331 is about 879.2354460460.

The spelling of 679697331 in words is "six hundred seventy-nine million, six hundred ninety-seven thousand, three hundred thirty-one".

Divisors: 1 3 29 87 7812613 23437839 226565777 679697331