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86397317 is a prime number
BaseRepresentation
bin1010010011001…
…01000110000101
320000120102211122
411021211012011
5134104203232
612323443325
72066236136
oct511450605
9200512748
1086397317
1144850646
1224b26545
1314b90196
14b68dc8d
1578b9312
hex5265185

86397317 has 2 divisors, whose sum is σ = 86397318. Its totient is φ = 86397316.

The previous prime is 86397307. The next prime is 86397329. The reversal of 86397317 is 71379368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50708641 + 35688676 = 7121^2 + 5974^2 .

It is a cyclic number.

It is not a de Polignac number, because 86397317 - 214 = 86380933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86397307) 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, 43198658 + 43198659.

It is an arithmetic number, because the mean of its divisors is an integer number (43198659).

Almost surely, 286397317 is an apocalyptic number.

It is an amenable number.

86397317 is a deficient number, since it is larger than the sum of its proper divisors (1).

86397317 is an equidigital number, since it uses as much as digits as its factorization.

86397317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 86397317 is about 9295.0157073563. The cubic root of 86397317 is about 442.0792037448.

The spelling of 86397317 in words is "eighty-six million, three hundred ninety-seven thousand, three hundred seventeen".