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85968193 is a prime number
BaseRepresentation
bin1010001111111…
…00010101000001
312222202122012011
411013330111001
5134001440233
612310332521
72062501063
oct507742501
9188678164
1085968193
11445881a3
122495a141
1314a6ca6c
14b5bb733
1578320cd
hex51fc541

85968193 has 2 divisors, whose sum is σ = 85968194. Its totient is φ = 85968192.

The previous prime is 85968143. The next prime is 85968221. The reversal of 85968193 is 39186958.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59166864 + 26801329 = 7692^2 + 5177^2 .

It is a cyclic number.

It is not a de Polignac number, because 85968193 - 213 = 85960001 is a prime.

It is not a weakly prime, because it can be changed into another prime (85968143) 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, 42984096 + 42984097.

It is an arithmetic number, because the mean of its divisors is an integer number (42984097).

Almost surely, 285968193 is an apocalyptic number.

It is an amenable number.

85968193 is a deficient number, since it is larger than the sum of its proper divisors (1).

85968193 is an equidigital number, since it uses as much as digits as its factorization.

85968193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 85968193 is about 9271.9034183926. The cubic root of 85968193 is about 441.3460723807.

The spelling of 85968193 in words is "eighty-five million, nine hundred sixty-eight thousand, one hundred ninety-three".