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85254105 = 3537153611
BaseRepresentation
bin1010001010011…
…01111111011001
312221102100122110
411011031333121
5133311112410
612243142533
72053435146
oct505157731
9187370573
1085254105
114413a742
1224674a49
131487ca21
14b4733cd
157740720
hex514dfd9

85254105 has 16 divisors (see below), whose sum is σ = 140094144. Its totient is φ = 44239680.

The previous prime is 85254101. The next prime is 85254131. The reversal of 85254105 is 50145258.

It is not a de Polignac number, because 85254105 - 22 = 85254101 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85254101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76251 + ... + 77360.

It is an arithmetic number, because the mean of its divisors is an integer number (8755884).

Almost surely, 285254105 is an apocalyptic number.

It is an amenable number.

85254105 is a deficient number, since it is larger than the sum of its proper divisors (54840039).

85254105 is a wasteful number, since it uses less digits than its factorization.

85254105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153656.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 85254105 is about 9233.3149518469. The cubic root of 85254105 is about 440.1206711037.

The spelling of 85254105 in words is "eighty-five million, two hundred fifty-four thousand, one hundred five".

Divisors: 1 3 5 15 37 111 185 555 153611 460833 768055 2304165 5683607 17050821 28418035 85254105