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85808056 = 2383129229
BaseRepresentation
bin1010001110101…
…01001110111000
312222110111112011
411013111032320
5133431324211
612303055304
72061233155
oct507251670
9188414464
1085808056
1144488954
12248a1534
1314a14bc9
14b57922c
1577ee921
hex51d53b8

85808056 has 16 divisors (see below), whose sum is σ = 162829800. Its totient is φ = 42386784.

The previous prime is 85808053. The next prime is 85808081. The reversal of 85808056 is 65080858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85808053) 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, 63951 + ... + 65278.

Almost surely, 285808056 is an apocalyptic number.

It is an amenable number.

85808056 is a deficient number, since it is larger than the sum of its proper divisors (77021744).

85808056 is a wasteful number, since it uses less digits than its factorization.

85808056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129318 (or 129314 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 85808056 is about 9263.2637876722. The cubic root of 85808056 is about 441.0718633478.

The spelling of 85808056 in words is "eighty-five million, eight hundred eight thousand, fifty-six".

Divisors: 1 2 4 8 83 166 332 664 129229 258458 516916 1033832 10726007 21452014 42904028 85808056