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85110457 is a prime number
BaseRepresentation
bin1010001001010…
…10111010111001
312221011001121011
411010222322321
5133242013312
612240113521
72052266305
oct504527271
9187131534
1085110457
1144051823
12246058a1
131482c523
14b436d05
157712da7
hex512aeb9

85110457 has 2 divisors, whose sum is σ = 85110458. Its totient is φ = 85110456.

The previous prime is 85110359. The next prime is 85110461. The reversal of 85110457 is 75401158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66928761 + 18181696 = 8181^2 + 4264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85110457 is a prime.

It is not a weakly prime, because it can be changed into another prime (85110757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42555228 + 42555229.

It is an arithmetic number, because the mean of its divisors is an integer number (42555229).

Almost surely, 285110457 is an apocalyptic number.

It is an amenable number.

85110457 is a deficient number, since it is larger than the sum of its proper divisors (1).

85110457 is an equidigital number, since it uses as much as digits as its factorization.

85110457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 85110457 is about 9225.5328843379. The cubic root of 85110457 is about 439.8733399201.

The spelling of 85110457 in words is "eighty-five million, one hundred ten thousand, four hundred fifty-seven".