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68342459 is a prime number
BaseRepresentation
bin1000001001011…
…01001010111011
311202121011020012
410010231022323
5114443424314
610440452135
71456621103
oct404551273
9152534205
1068342459
1135639779
121aa7a04b
131120b233
149110203
155eee93e
hex412d2bb

68342459 has 2 divisors, whose sum is σ = 68342460. Its totient is φ = 68342458.

The previous prime is 68342429. The next prime is 68342467. The reversal of 68342459 is 95424386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68342459 - 224 = 51565243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68342429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34171229 + 34171230.

It is an arithmetic number, because the mean of its divisors is an integer number (34171230).

Almost surely, 268342459 is an apocalyptic number.

68342459 is a deficient number, since it is larger than the sum of its proper divisors (1).

68342459 is an equidigital number, since it uses as much as digits as its factorization.

68342459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 68342459 is about 8266.9498002589. The cubic root of 68342459 is about 408.8495589922.

The spelling of 68342459 in words is "sixty-eight million, three hundred forty-two thousand, four hundred fifty-nine".