Base | Representation |
---|---|
bin | 1010001010010… |
… | …01110101011000 |
3 | 12221101111021220 |
4 | 11011021311120 |
5 | 133310041310 |
6 | 12242532040 |
7 | 2053334415 |
oct | 505116530 |
9 | 187344256 |
10 | 85237080 |
11 | 44128975 |
12 | 24667020 |
13 | 14875056 |
14 | b46b10c |
15 | 773a670 |
hex | 5149d58 |
85237080 has 128 divisors (see below), whose sum is σ = 270604800. Its totient is φ = 21435392.
The previous prime is 85237079. The next prime is 85237093. The reversal of 85237080 is 8073258.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245467 + ... + 245813.
It is an arithmetic number, because the mean of its divisors is an integer number (2114100).
Almost surely, 285237080 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 85237080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135302400).
85237080 is an abundant number, since it is smaller than the sum of its proper divisors (185367720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85237080 is a wasteful number, since it uses less digits than its factorization.
85237080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 473 (or 469 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 85237080 is about 9232.3929725722. The cubic root of 85237080 is about 440.0913722085.
The spelling of 85237080 in words is "eighty-five million, two hundred thirty-seven thousand, eighty".
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