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680795 = 5472897
BaseRepresentation
bin10100110001101011011
31021120212122
42212031123
5133241140
622331455
75533553
oct2461533
91246778
10680795
11425545
12289b8b
131aab4b
1413a163
15d6ab5
hexa635b

680795 has 8 divisors (see below), whose sum is σ = 834624. Its totient is φ = 532864.

The previous prime is 680783. The next prime is 680803. The reversal of 680795 is 597086.

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 680795 - 28 = 680539 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214 + ... + 1683.

It is an arithmetic number, because the mean of its divisors is an integer number (104328).

2680795 is an apocalyptic number.

680795 is a deficient number, since it is larger than the sum of its proper divisors (153829).

680795 is a wasteful number, since it uses less digits than its factorization.

680795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 680795 is about 825.1030238704. The cubic root of 680795 is about 87.9708495046.

The spelling of 680795 in words is "six hundred eighty thousand, seven hundred ninety-five".

Divisors: 1 5 47 235 2897 14485 136159 680795