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68726255 = 5134367367
BaseRepresentation
bin1000001100010…
…10110111101111
311210022122200212
410012022313233
5120043220010
610453013035
71463110043
oct406126757
9153278625
1068726255
1135881064
121b02417b
1311313b30
1491b0023
156078505
hex418adef

68726255 has 32 divisors (see below), whose sum is σ = 92488704. Its totient is φ = 48698496.

The previous prime is 68726237. The next prime is 68726269. The reversal of 68726255 is 55262786.

It is a cyclic number.

It is not a de Polignac number, because 68726255 - 26 = 68726191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187082 + ... + 187448.

It is an arithmetic number, because the mean of its divisors is an integer number (2890272).

Almost surely, 268726255 is an apocalyptic number.

68726255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68726255 is a deficient number, since it is larger than the sum of its proper divisors (23762449).

68726255 is a wasteful number, since it uses less digits than its factorization.

68726255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495.

The product of its digits is 201600, while the sum is 41.

The square root of 68726255 is about 8290.1299748556. The cubic root of 68726255 is about 409.6134667578.

The spelling of 68726255 in words is "sixty-eight million, seven hundred twenty-six thousand, two hundred fifty-five".

Divisors: 1 5 13 43 65 67 215 335 367 559 871 1835 2795 2881 4355 4771 14405 15781 23855 24589 37453 78905 122945 187265 205153 319657 1025765 1057327 1598285 5286635 13745251 68726255