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68766293 is a prime number
BaseRepresentation
bin1000001100101…
…00101001010101
311210101200121202
410012110221111
5120101010133
610453522245
71463334551
oct406245125
9153350552
1068766293
11358a9152
121b043385
131132911b
1491c0861
1560852e8
hex4194a55

68766293 has 2 divisors, whose sum is σ = 68766294. Its totient is φ = 68766292.

The previous prime is 68766259. The next prime is 68766317. The reversal of 68766293 is 39266786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64673764 + 4092529 = 8042^2 + 2023^2 .

It is a cyclic number.

It is not a de Polignac number, because 68766293 - 210 = 68765269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68763293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34383146 + 34383147.

It is an arithmetic number, because the mean of its divisors is an integer number (34383147).

Almost surely, 268766293 is an apocalyptic number.

It is an amenable number.

68766293 is a deficient number, since it is larger than the sum of its proper divisors (1).

68766293 is an equidigital number, since it uses as much as digits as its factorization.

68766293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 68766293 is about 8292.5444225521. The cubic root of 68766293 is about 409.6929944447.

The spelling of 68766293 in words is "sixty-eight million, seven hundred sixty-six thousand, two hundred ninety-three".