Base | Representation |
---|---|
bin | 1010001010011… |
… | …11011111111101 |
3 | 12221102200010100 |
4 | 11011033133331 |
5 | 133311312120 |
6 | 12243231313 |
7 | 2053462155 |
oct | 505173775 |
9 | 187380110 |
10 | 85260285 |
11 | 44144350 |
12 | 24678539 |
13 | 14882796 |
14 | b475765 |
15 | 7742490 |
hex | 514f7fd |
85260285 has 24 divisors (see below), whose sum is σ = 161220384. Its totient is φ = 41338080.
The previous prime is 85260283. The next prime is 85260293. The reversal of 85260285 is 58206258.
It is not a de Polignac number, because 85260285 - 21 = 85260283 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85260281) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85627 + ... + 86616.
It is an arithmetic number, because the mean of its divisors is an integer number (6717516).
Almost surely, 285260285 is an apocalyptic number.
It is an amenable number.
85260285 is a deficient number, since it is larger than the sum of its proper divisors (75960099).
85260285 is a wasteful number, since it uses less digits than its factorization.
85260285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172265 (or 172262 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 85260285 is about 9233.6496034883. The cubic root of 85260285 is about 440.1313055087.
The spelling of 85260285 in words is "eighty-five million, two hundred sixty thousand, two hundred eighty-five".
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