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85895057 = 89965113
BaseRepresentation
bin1010001111010…
…10011110010001
312222121220212102
411013222132101
5133442120212
612305010145
72062044623
oct507523621
9188556772
1085895057
1144538256
1224923955
1314a456a1
14b59cc13
15781a5c2
hex51ea791

85895057 has 4 divisors (see below), whose sum is σ = 86860260. Its totient is φ = 84929856.

The previous prime is 85895039. The next prime is 85895059. The reversal of 85895057 is 75059858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11262736 + 74632321 = 3356^2 + 8639^2 .

It is a cyclic number.

It is not a de Polignac number, because 85895057 - 210 = 85894033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85895059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482468 + ... + 482645.

It is an arithmetic number, because the mean of its divisors is an integer number (21715065).

Almost surely, 285895057 is an apocalyptic number.

It is an amenable number.

85895057 is a deficient number, since it is larger than the sum of its proper divisors (965203).

85895057 is an equidigital number, since it uses as much as digits as its factorization.

85895057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965202.

The product of its (nonzero) digits is 504000, while the sum is 47.

The square root of 85895057 is about 9267.9586209693. The cubic root of 85895057 is about 441.2208809467.

The spelling of 85895057 in words is "eighty-five million, eight hundred ninety-five thousand, fifty-seven".

Divisors: 1 89 965113 85895057