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68524579 is a prime number
BaseRepresentation
bin1000001010110…
…01101000100011
311202221102001101
410011121220203
5120020241304
610444415231
71461310054
oct405315043
9152842041
1068524579
1135753592
121ab47517
13112730b6
14915a72b
1560388a4
hex4159a23

68524579 has 2 divisors, whose sum is σ = 68524580. Its totient is φ = 68524578.

The previous prime is 68524559. The next prime is 68524591. The reversal of 68524579 is 97542586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68524579 - 215 = 68491811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68524559) 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, 34262289 + 34262290.

It is an arithmetic number, because the mean of its divisors is an integer number (34262290).

Almost surely, 268524579 is an apocalyptic number.

68524579 is a deficient number, since it is larger than the sum of its proper divisors (1).

68524579 is an equidigital number, since it uses as much as digits as its factorization.

68524579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 68524579 is about 8277.9574171410. The cubic root of 68524579 is about 409.2124063353.

The spelling of 68524579 in words is "sixty-eight million, five hundred twenty-four thousand, five hundred seventy-nine".