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68354417 is a prime number
BaseRepresentation
bin1000001001100…
…00000101110001
311202121202122002
410010300011301
5114444320132
610441023345
71460001005
oct404600561
9152552562
1068354417
113564775a
121aa84b55
1311213801
149114705
156003262
hex4130171

68354417 has 2 divisors, whose sum is σ = 68354418. Its totient is φ = 68354416.

The previous prime is 68354387. The next prime is 68354443. The reversal of 68354417 is 71445386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54523456 + 13830961 = 7384^2 + 3719^2 .

It is a cyclic number.

It is not a de Polignac number, because 68354417 - 214 = 68338033 is a prime.

It is not a weakly prime, because it can be changed into another prime (68374417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34177208 + 34177209.

It is an arithmetic number, because the mean of its divisors is an integer number (34177209).

Almost surely, 268354417 is an apocalyptic number.

It is an amenable number.

68354417 is a deficient number, since it is larger than the sum of its proper divisors (1).

68354417 is an equidigital number, since it uses as much as digits as its factorization.

68354417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 68354417 is about 8267.6730099829. The cubic root of 68354417 is about 408.8734033099.

The spelling of 68354417 in words is "sixty-eight million, three hundred fifty-four thousand, four hundred seventeen".