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68936360 = 23517101377
BaseRepresentation
bin1000001101111…
…10001010101000
311210201022220112
410012332022220
5120121430420
610501313452
71464643433
oct406761250
9153638815
1068936360
1135a049a9
121b105888
131138865c
14922681a
1560ba8c5
hex41be2a8

68936360 has 32 divisors (see below), whose sum is σ = 164232360. Its totient is φ = 25952256.

The previous prime is 68936347. The next prime is 68936381. The reversal of 68936360 is 6363986.

It can be written as a sum of positive squares in 4 ways, for example, as 68790436 + 145924 = 8294^2 + 382^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50009 + ... + 51368.

Almost surely, 268936360 is an apocalyptic number.

It is an amenable number.

68936360 is an abundant number, since it is smaller than the sum of its proper divisors (95296000).

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

68936360 is a wasteful number, since it uses less digits than its factorization.

68936360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101405 (or 101401 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 68936360 is about 8302.7923013887. The cubic root of 68936360 is about 410.0304557983.

It can be divided in two parts, 68936 and 360, that added together give a palindrome (69296).

The spelling of 68936360 in words is "sixty-eight million, nine hundred thirty-six thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 101377 202754 405508 506885 811016 1013770 1723409 2027540 3446818 4055080 6893636 8617045 13787272 17234090 34468180 68936360