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68346347 is a prime number
BaseRepresentation
bin1000001001011…
…10000111101011
311202121100120012
410010232013223
5114444040342
610440522135
71456635326
oct404560753
9152540505
1068346347
1135641693
121aa8034b
131120cc34
1491117bd
156000b82
hex412e1eb

68346347 has 2 divisors, whose sum is σ = 68346348. Its totient is φ = 68346346.

The previous prime is 68346281. The next prime is 68346349. The reversal of 68346347 is 74364386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68346347 - 210 = 68345323 is a prime.

Together with 68346349, 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 (68346349) 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, 34173173 + 34173174.

It is an arithmetic number, because the mean of its divisors is an integer number (34173174).

Almost surely, 268346347 is an apocalyptic number.

68346347 is a deficient number, since it is larger than the sum of its proper divisors (1).

68346347 is an equidigital number, since it uses as much as digits as its factorization.

68346347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 41.

The square root of 68346347 is about 8267.1849501508. The cubic root of 68346347 is about 408.8573119907.

The spelling of 68346347 in words is "sixty-eight million, three hundred forty-six thousand, three hundred forty-seven".