Base | Representation |
---|---|
bin | 1010001110111… |
… | …01001101110000 |
3 | 12222112011101010 |
4 | 11013131031300 |
5 | 133433401002 |
6 | 12303510520 |
7 | 2061430404 |
oct | 507351560 |
9 | 188464333 |
10 | 85840752 |
11 | 44500478 |
12 | 248b8440 |
13 | 14a26a5a |
14 | b587104 |
15 | 780946c |
hex | 51dd370 |
85840752 has 80 divisors (see below), whose sum is σ = 238913280. Its totient is φ = 26459136.
The previous prime is 85840751. The next prime is 85840787. The reversal of 85840752 is 25704858.
It is a self number, because there is not a number n which added to its sum of digits gives 85840752.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85840751) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47253 + ... + 49035.
It is an arithmetic number, because the mean of its divisors is an integer number (2986416).
Almost surely, 285840752 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 85840752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119456640).
85840752 is an abundant number, since it is smaller than the sum of its proper divisors (153072528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85840752 is a wasteful number, since it uses less digits than its factorization.
85840752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1870 (or 1864 counting only the distinct ones).
The product of its (nonzero) digits is 89600, while the sum is 39.
The square root of 85840752 is about 9265.0284403233. The cubic root of 85840752 is about 441.1278777246.
The spelling of 85840752 in words is "eighty-five million, eight hundred forty thousand, seven hundred fifty-two".
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