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68795908 = 22531911699
BaseRepresentation
bin1000001100110…
…11111000000100
311210110012020121
410012123320010
5120102432113
610454311324
71463520106
oct406337004
9153405217
1068795908
1135919425
121b058544
131133974c
1491cb576
15608de8d
hex419be04

68795908 has 24 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 33552480.

The previous prime is 68795899. The next prime is 68795929. The reversal of 68795908 is 80959786.

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, 39643 + ... + 41341.

It is an arithmetic number, because the mean of its divisors is an integer number (5140800).

Almost surely, 268795908 is an apocalyptic number.

It is an amenable number.

68795908 is a deficient number, since it is larger than the sum of its proper divisors (54583292).

68795908 is a wasteful number, since it uses less digits than its factorization.

68795908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 68795908 is about 8294.3298704597. The cubic root of 68795908 is about 409.7517990139.

The spelling of 68795908 in words is "sixty-eight million, seven hundred ninety-five thousand, nine hundred eight".

Divisors: 1 2 4 53 106 191 212 382 764 1699 3398 6796 10123 20246 40492 90047 180094 324509 360188 649018 1298036 17198977 34397954 68795908