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68825387 is a prime number
BaseRepresentation
bin1000001101000…
…11000100101011
311210111200200102
410012203010223
5120104403022
610455100015
71464002051
oct406430453
9153450612
1068825387
1135939594
121b07160b
1311349ca7
1491d81d1
156097a92
hex41a312b

68825387 has 2 divisors, whose sum is σ = 68825388. Its totient is φ = 68825386.

The previous prime is 68825377. The next prime is 68825399. The reversal of 68825387 is 78352886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68825387 - 214 = 68809003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68825357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34412693 + 34412694.

It is an arithmetic number, because the mean of its divisors is an integer number (34412694).

Almost surely, 268825387 is an apocalyptic number.

68825387 is a deficient number, since it is larger than the sum of its proper divisors (1).

68825387 is an equidigital number, since it uses as much as digits as its factorization.

68825387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The square root of 68825387 is about 8296.1067375004. The cubic root of 68825387 is about 409.8103167792.

The spelling of 68825387 in words is "sixty-eight million, eight hundred twenty-five thousand, three hundred eighty-seven".