Base | Representation |
---|---|
bin | 1010001010011… |
… | …01111111011001 |
3 | 12221102100122110 |
4 | 11011031333121 |
5 | 133311112410 |
6 | 12243142533 |
7 | 2053435146 |
oct | 505157731 |
9 | 187370573 |
10 | 85254105 |
11 | 4413a742 |
12 | 24674a49 |
13 | 1487ca21 |
14 | b4733cd |
15 | 7740720 |
hex | 514dfd9 |
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".
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