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85056151 = 175003303
BaseRepresentation
bin1010001000111…
…01101010010111
312221001022002211
411010131222113
5133233244101
612235014251
72051652055
oct504355227
9187038084
1085056151
1144014a44
122459a387
13148108ab
14b4211d5
157701c51
hex511da97

85056151 has 4 divisors (see below), whose sum is σ = 90059472. Its totient is φ = 80052832.

The previous prime is 85056137. The next prime is 85056161. The reversal of 85056151 is 15165058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15165058 = 27582529.

It is a cyclic number.

It is not a de Polignac number, because 85056151 - 211 = 85054103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85056121) 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, 2501635 + ... + 2501668.

It is an arithmetic number, because the mean of its divisors is an integer number (22514868).

Almost surely, 285056151 is an apocalyptic number.

85056151 is a deficient number, since it is larger than the sum of its proper divisors (5003321).

85056151 is a wasteful number, since it uses less digits than its factorization.

85056151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003320.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 85056151 is about 9222.5891700758. The cubic root of 85056151 is about 439.7797640937.

The spelling of 85056151 in words is "eighty-five million, fifty-six thousand, one hundred fifty-one".

Divisors: 1 17 5003303 85056151