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68761241 is a prime number
BaseRepresentation
bin1000001100100…
…11011010011001
311210101102200122
410012103122121
5120100324431
610453443025
71463314043
oct406233231
9153342618
1068761241
11358a537a
121b040475
1311326a33
1491bca93
156083a7b
hex4193699

68761241 has 2 divisors, whose sum is σ = 68761242. Its totient is φ = 68761240.

The previous prime is 68761181. The next prime is 68761249. The reversal of 68761241 is 14216786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55071241 + 13690000 = 7421^2 + 3700^2 .

It is a cyclic number.

It is not a de Polignac number, because 68761241 - 26 = 68761177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68761249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34380620 + 34380621.

It is an arithmetic number, because the mean of its divisors is an integer number (34380621).

Almost surely, 268761241 is an apocalyptic number.

It is an amenable number.

68761241 is a deficient number, since it is larger than the sum of its proper divisors (1).

68761241 is an equidigital number, since it uses as much as digits as its factorization.

68761241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 68761241 is about 8292.2398059873. The cubic root of 68761241 is about 409.6829613330.

The spelling of 68761241 in words is "sixty-eight million, seven hundred sixty-one thousand, two hundred forty-one".