Base | Representation |
---|---|
bin | 1010001010011… |
… | …01101000101010 |
3 | 12221102021122120 |
4 | 11011031220222 |
5 | 133311041100 |
6 | 12243132110 |
7 | 2053431000 |
oct | 505155052 |
9 | 187367576 |
10 | 85252650 |
11 | 4413963a |
12 | 24674036 |
13 | 1487c172 |
14 | b472a70 |
15 | 77400a0 |
hex | 514da2a |
85252650 has 96 divisors (see below), whose sum is σ = 246710400. Its totient is φ = 19474560.
The previous prime is 85252649. The next prime is 85252667. The reversal of 85252650 is 5625258.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50622 + ... + 52278.
It is an arithmetic number, because the mean of its divisors is an integer number (2569900).
Almost surely, 285252650 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 85252650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123355200).
85252650 is an abundant number, since it is smaller than the sum of its proper divisors (161457750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85252650 is a wasteful number, since it uses less digits than its factorization.
85252650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1693 (or 1674 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 33.
The square root of 85252650 is about 9233.2361607402. The cubic root of 85252650 is about 440.1181672977.
It can be divided in two parts, 8525 and 2650, that added together give a triangular number (11175 = T149).
The spelling of 85252650 in words is "eighty-five million, two hundred fifty-two thousand, six hundred fifty".
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