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680758 = 21326183
BaseRepresentation
bin10100110001100110110
31021120211021
42212030312
5133241013
622331354
75533501
oct2461466
91246737
10680758
11425511
12289b5a
131aab20
1413a138
15d6a8d
hexa6336

680758 has 8 divisors (see below), whose sum is σ = 1099728. Its totient is φ = 314184.

The previous prime is 680749. The next prime is 680759. The reversal of 680758 is 857086.

680758 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680759) 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, 13066 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (137466).

2680758 is an apocalyptic number.

680758 is a deficient number, since it is larger than the sum of its proper divisors (418970).

680758 is a wasteful number, since it uses less digits than its factorization.

680758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26198.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 680758 is about 825.0806021232. The cubic root of 680758 is about 87.9692557892.

The spelling of 680758 in words is "six hundred eighty thousand, seven hundred fifty-eight".

Divisors: 1 2 13 26 26183 52366 340379 680758