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690713 = 2359509
BaseRepresentation
bin10101000101000011001
31022002110222
42220220121
5134100323
622445425
75604512
oct2505031
91262428
10690713
11431a41
12293875
131b250a
1413da09
15d99c8
hexa8a19

690713 has 8 divisors (see below), whose sum is σ = 734400. Its totient is φ = 648208.

The previous prime is 690689. The next prime is 690719. The reversal of 690713 is 317096.

It is a happy number.

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 690713 - 218 = 428569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 690713.

It is not an unprimeable number, because it can be changed into a prime (690719) 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, 1103 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (91800).

2690713 is an apocalyptic number.

It is an amenable number.

690713 is a deficient number, since it is larger than the sum of its proper divisors (43687).

690713 is a wasteful number, since it uses less digits than its factorization.

690713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 690713 is about 831.0914510449. The cubic root of 690713 is about 88.3959857721.

The spelling of 690713 in words is "six hundred ninety thousand, seven hundred thirteen".

Divisors: 1 23 59 509 1357 11707 30031 690713