Base | Representation |
---|---|
bin | 1010001011010… |
… | …01001101000000 |
3 | 12221122000112201 |
4 | 11011221031000 |
5 | 133323144233 |
6 | 12245402544 |
7 | 2054411131 |
oct | 505511500 |
9 | 187560481 |
10 | 85365568 |
11 | 44206462 |
12 | 24709454 |
13 | 148bb692 |
14 | b4a1c88 |
15 | 776377d |
hex | 5169340 |
85365568 has 56 divisors (see below), whose sum is σ = 185220864. Its totient is φ = 38860800.
The previous prime is 85365559. The next prime is 85365569. The reversal of 85365568 is 86556358.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85365569) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32463 + ... + 34993.
Almost surely, 285365568 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 85365568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92610432).
85365568 is an abundant number, since it is smaller than the sum of its proper divisors (99855296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85365568 is a wasteful number, since it uses less digits than its factorization.
85365568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2591 (or 2581 counting only the distinct ones).
The product of its digits is 864000, while the sum is 46.
The square root of 85365568 is about 9239.3488948086. The cubic root of 85365568 is about 440.3123952302.
The spelling of 85365568 in words is "eighty-five million, three hundred sixty-five thousand, five hundred sixty-eight".
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