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68041577 is a prime number
BaseRepresentation
bin1000000111000…
…11101101101001
311202000212111102
410003203231221
5114404312302
610430211145
71454225642
oct403435551
9152025442
1068041577
113545370a
121a953ab5
13111342b6
1490726c9
155e90702
hex40e3b69

68041577 has 2 divisors, whose sum is σ = 68041578. Its totient is φ = 68041576.

The previous prime is 68041553. The next prime is 68041601. The reversal of 68041577 is 77514086.

It is a balanced prime because it is at equal distance from previous prime (68041553) and next prime (68041601).

It can be written as a sum of positive squares in only one way, i.e., 58125376 + 9916201 = 7624^2 + 3149^2 .

It is a cyclic number.

It is not a de Polignac number, because 68041577 - 28 = 68041321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68041577.

It is not a weakly prime, because it can be changed into another prime (68041507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34020788 + 34020789.

It is an arithmetic number, because the mean of its divisors is an integer number (34020789).

Almost surely, 268041577 is an apocalyptic number.

It is an amenable number.

68041577 is a deficient number, since it is larger than the sum of its proper divisors (1).

68041577 is an equidigital number, since it uses as much as digits as its factorization.

68041577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 68041577 is about 8248.7318419258. The cubic root of 68041577 is about 408.2486809755.

The spelling of 68041577 in words is "sixty-eight million, forty-one thousand, five hundred seventy-seven".