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85796069 is a prime number
BaseRepresentation
bin1010001110100…
…10010011100101
312222102220002012
411013102103211
5133430433234
612302524005
72061153212
oct507222345
9188386065
1085796069
114447a947
1224896605
1314a0c608
14b574b09
1577eb0ce
hex51d24e5

85796069 has 2 divisors, whose sum is σ = 85796070. Its totient is φ = 85796068.

The previous prime is 85796047. The next prime is 85796071. The reversal of 85796069 is 96069758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84916225 + 879844 = 9215^2 + 938^2 .

It is a cyclic number.

It is not a de Polignac number, because 85796069 - 28 = 85795813 is a prime.

It is a super-2 number, since 2×857960692 = 14721930911705522, which contains 22 as substring.

Together with 85796071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85796869) 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, 42898034 + 42898035.

It is an arithmetic number, because the mean of its divisors is an integer number (42898035).

Almost surely, 285796069 is an apocalyptic number.

It is an amenable number.

85796069 is a deficient number, since it is larger than the sum of its proper divisors (1).

85796069 is an equidigital number, since it uses as much as digits as its factorization.

85796069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 85796069 is about 9262.6167469026. The cubic root of 85796069 is about 441.0513238053.

The spelling of 85796069 in words is "eighty-five million, seven hundred ninety-six thousand, sixty-nine".