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68026697 is a prime number
BaseRepresentation
bin1000000111000…
…00000101001001
311202000010002022
410003200011021
5114403323242
610430014225
71454134364
oct403400511
9152003068
1068026697
1135443512
121a947375
131112a5ab
14906b0db
155e8b0d2
hex40e0149

68026697 has 2 divisors, whose sum is σ = 68026698. Its totient is φ = 68026696.

The previous prime is 68026657. The next prime is 68026703. The reversal of 68026697 is 79662086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36711481 + 31315216 = 6059^2 + 5596^2 .

It is a cyclic number.

It is not a de Polignac number, because 68026697 - 210 = 68025673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68026627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34013348 + 34013349.

It is an arithmetic number, because the mean of its divisors is an integer number (34013349).

Almost surely, 268026697 is an apocalyptic number.

It is an amenable number.

68026697 is a deficient number, since it is larger than the sum of its proper divisors (1).

68026697 is an equidigital number, since it uses as much as digits as its factorization.

68026697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 68026697 is about 8247.8298357810. The cubic root of 68026697 is about 408.2189188628.

The spelling of 68026697 in words is "sixty-eight million, twenty-six thousand, six hundred ninety-seven".