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68084593 is a prime number
BaseRepresentation
bin1000000111011…
…10001101110001
311202010001111121
410003232031301
5114412201333
610431142241
71454465233
oct403561561
9152101447
1068084593
1135482a65
121a974981
131114aa55
149084253
155e9d32d
hex40ee371

68084593 has 2 divisors, whose sum is σ = 68084594. Its totient is φ = 68084592.

The previous prime is 68084557. The next prime is 68084617. The reversal of 68084593 is 39548086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67519089 + 565504 = 8217^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 68084593 - 213 = 68076401 is a prime.

It is not a weakly prime, because it can be changed into another prime (68084893) 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, 34042296 + 34042297.

It is an arithmetic number, because the mean of its divisors is an integer number (34042297).

Almost surely, 268084593 is an apocalyptic number.

It is an amenable number.

68084593 is a deficient number, since it is larger than the sum of its proper divisors (1).

68084593 is an equidigital number, since it uses as much as digits as its factorization.

68084593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 68084593 is about 8251.3388610576. The cubic root of 68084593 is about 408.3346946875.

The spelling of 68084593 in words is "sixty-eight million, eighty-four thousand, five hundred ninety-three".