Base | Representation |
---|---|
bin | 1010001101001… |
… | …01010100010000 |
3 | 12222002112022010 |
4 | 11012211110100 |
5 | 133404034132 |
6 | 12254542520 |
7 | 2056455030 |
oct | 506452420 |
9 | 188075263 |
10 | 85611792 |
11 | 44364452 |
12 | 24807a40 |
13 | 14976786 |
14 | b5278c0 |
15 | 77b16cc |
hex | 51a5510 |
85611792 has 80 divisors (see below), whose sum is σ = 256963712. Its totient is φ = 24053760.
The previous prime is 85611791. The next prime is 85611793. The reversal of 85611792 is 29711658.
It is an interprime number because it is at equal distance from previous prime (85611791) and next prime (85611793).
It is a self number, because there is not a number n which added to its sum of digits gives 85611792.
It is not an unprimeable number, because it can be changed into a prime (85611791) 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, 18408 + ... + 22584.
Almost surely, 285611792 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 85611792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128481856).
85611792 is an abundant number, since it is smaller than the sum of its proper divisors (171351920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85611792 is a wasteful number, since it uses less digits than its factorization.
85611792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4256 (or 4250 counting only the distinct ones).
The product of its digits is 30240, while the sum is 39.
The square root of 85611792 is about 9252.6640488024. The cubic root of 85611792 is about 440.7353269127.
The spelling of 85611792 in words is "eighty-five million, six hundred eleven thousand, seven hundred ninety-two".
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