Base | Representation |
---|---|
bin | 1010001010101… |
… | …01100011000000 |
3 | 12221110221002210 |
4 | 11011111203000 |
5 | 133313110211 |
6 | 12243542120 |
7 | 2053624323 |
oct | 505254300 |
9 | 187427083 |
10 | 85285056 |
11 | 44160a1a |
12 | 2468a940 |
13 | 14890b3c |
14 | b4807ba |
15 | 77499a6 |
hex | 51558c0 |
85285056 has 168 divisors, whose sum is σ = 252648720. Its totient is φ = 25346048.
The previous prime is 85285049. The next prime is 85285121. The reversal of 85285056 is 65058258.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1609126 + ... + 1609178.
Almost surely, 285285056 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85285056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126324360).
85285056 is an abundant number, since it is smaller than the sum of its proper divisors (167363664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85285056 is a wasteful number, since it uses less digits than its factorization.
85285056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131 (or 104 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 39.
The square root of 85285056 is about 9234.9908500225. The cubic root of 85285056 is about 440.1739257309.
The spelling of 85285056 in words is "eighty-five million, two hundred eighty-five thousand, fifty-six".
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