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680883 = 3732423
BaseRepresentation
bin10100110001110110011
31021120222220
42212032303
5133242013
622332123
75534040
oct2461663
91246886
10680883
11425615
1228a043
131aabb8
1413a1c7
15d6b23
hexa63b3

680883 has 8 divisors (see below), whose sum is σ = 1037568. Its totient is φ = 389064.

The previous prime is 680881. The next prime is 680917. The reversal of 680883 is 388086.

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

It is not a de Polignac number, because 680883 - 21 = 680881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680881) by changing a digit.

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, 16191 + ... + 16232.

It is an arithmetic number, because the mean of its divisors is an integer number (129696).

2680883 is an apocalyptic number.

680883 is a deficient number, since it is larger than the sum of its proper divisors (356685).

680883 is a wasteful number, since it uses less digits than its factorization.

680883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32433.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 680883 is about 825.1563488212. The cubic root of 680883 is about 87.9746397308.

The spelling of 680883 in words is "six hundred eighty thousand, eight hundred eighty-three".

Divisors: 1 3 7 21 32423 97269 226961 680883