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680108 = 2211132941
BaseRepresentation
bin10100110000010101100
31021112221012
42212002230
5133230413
622324352
75531552
oct2460254
91245835
10680108
11424a80
122896b8
131aa740
14139bd2
15d67a8
hexa60ac

680108 has 48 divisors (see below), whose sum is σ = 1481760. Its totient is φ = 268800.

The previous prime is 680107. The next prime is 680123. The reversal of 680108 is 801086.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680108.

It is not an unprimeable number, because it can be changed into a prime (680107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16568 + ... + 16608.

It is an arithmetic number, because the mean of its divisors is an integer number (30870).

2680108 is an apocalyptic number.

It is an amenable number.

680108 is an abundant number, since it is smaller than the sum of its proper divisors (801652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680108 is a wasteful number, since it uses less digits than its factorization.

680108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 680108 is about 824.6866071424. The cubic root of 680108 is about 87.9412486634.

The spelling of 680108 in words is "six hundred eighty thousand, one hundred eight".

Divisors: 1 2 4 11 13 22 26 29 41 44 52 58 82 116 143 164 286 319 377 451 533 572 638 754 902 1066 1189 1276 1508 1804 2132 2378 4147 4756 5863 8294 11726 13079 15457 16588 23452 26158 30914 52316 61828 170027 340054 680108