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68675417 is a prime number
BaseRepresentation
bin1000001011111…
…10011101011001
311210020001221222
410011332131121
5120040103132
610451541425
71462505606
oct405763531
9153201858
1068675417
1135846948
121abba875
13112c6955
1491996ad
156068412
hex417e759

68675417 has 2 divisors, whose sum is σ = 68675418. Its totient is φ = 68675416.

The previous prime is 68675381. The next prime is 68675419. The reversal of 68675417 is 71457686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37994896 + 30680521 = 6164^2 + 5539^2 .

It is a cyclic number.

It is not a de Polignac number, because 68675417 - 214 = 68659033 is a prime.

Together with 68675419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68675419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34337708 + 34337709.

It is an arithmetic number, because the mean of its divisors is an integer number (34337709).

Almost surely, 268675417 is an apocalyptic number.

It is an amenable number.

68675417 is a deficient number, since it is larger than the sum of its proper divisors (1).

68675417 is an equidigital number, since it uses as much as digits as its factorization.

68675417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The square root of 68675417 is about 8287.0632313263. The cubic root of 68675417 is about 409.5124424543.

The spelling of 68675417 in words is "sixty-eight million, six hundred seventy-five thousand, four hundred seventeen".