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679313 = 6710139
BaseRepresentation
bin10100101110110010001
31021111211202
42211312101
5133214223
622320545
75526335
oct2456621
91244752
10679313
11424418
12289155
131aa27b
141397c5
15d6428
hexa5d91

679313 has 4 divisors (see below), whose sum is σ = 689520. Its totient is φ = 669108.

The previous prime is 679309. The next prime is 679319. The reversal of 679313 is 313976.

679313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 679313 - 22 = 679309 is a prime.

It is a super-2 number, since 2×6793132 = 922932303938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5003 + ... + 5136.

It is an arithmetic number, because the mean of its divisors is an integer number (172380).

2679313 is an apocalyptic number.

It is an amenable number.

679313 is a deficient number, since it is larger than the sum of its proper divisors (10207).

679313 is a wasteful number, since it uses less digits than its factorization.

679313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206.

The product of its digits is 3402, while the sum is 29.

The square root of 679313 is about 824.2044649236. The cubic root of 679313 is about 87.9069695236.

The spelling of 679313 in words is "six hundred seventy-nine thousand, three hundred thirteen".

Divisors: 1 67 10139 679313