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68617026 = 23241109853
BaseRepresentation
bin1000001011100…
…00001101000010
311210010002212100
410011300031002
5120031221101
610450411230
71462143432
oct405601502
9153102770
1068617026
1135806a95
121ab90b16
13112a61ba
1491822c2
156055e86
hex4170342

68617026 has 48 divisors (see below), whose sum is σ = 153873720. Its totient is φ = 22083840.

The previous prime is 68617019. The next prime is 68617069. The reversal of 68617026 is 62071686.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30239001 + 38378025 = 5499^2 + 6195^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80016 + ... + 80868.

Almost surely, 268617026 is an apocalyptic number.

68617026 is an abundant number, since it is smaller than the sum of its proper divisors (85256694).

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

68617026 is a wasteful number, since it uses less digits than its factorization.

68617026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 68617026 is about 8283.5394608826. The cubic root of 68617026 is about 409.3963474368.

The spelling of 68617026 in words is "sixty-eight million, six hundred seventeen thousand, twenty-six".

Divisors: 1 2 3 6 9 18 41 82 109 123 218 246 327 369 654 738 853 981 1706 1962 2559 4469 5118 7677 8938 13407 15354 26814 34973 40221 69946 80442 92977 104919 185954 209838 278931 314757 557862 629514 836793 1673586 3812057 7624114 11436171 22872342 34308513 68617026