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68289227 is a prime number
BaseRepresentation
bin1000001001000…
…00001011001011
311202111110012122
410010200023023
5114440223402
610435401455
71456306646
oct404401313
9152443178
1068289227
1135602786
121aa5328b
13111bcc36
1490d8a5d
155eddca2
hex41202cb

68289227 has 2 divisors, whose sum is σ = 68289228. Its totient is φ = 68289226.

The previous prime is 68289223. The next prime is 68289241. The reversal of 68289227 is 72298286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68289227 - 22 = 68289223 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68289223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34144613 + 34144614.

It is an arithmetic number, because the mean of its divisors is an integer number (34144614).

Almost surely, 268289227 is an apocalyptic number.

68289227 is a deficient number, since it is larger than the sum of its proper divisors (1).

68289227 is an equidigital number, since it uses as much as digits as its factorization.

68289227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 68289227 is about 8263.7296059346. The cubic root of 68289227 is about 408.7433803290.

The spelling of 68289227 in words is "sixty-eight million, two hundred eighty-nine thousand, two hundred twenty-seven".