Base | Representation |
---|---|
bin | 1010001000111… |
… | …01001100001000 |
3 | 12221001012110011 |
4 | 11010131030020 |
5 | 133233213331 |
6 | 12235001304 |
7 | 2051643322 |
oct | 504351410 |
9 | 187035404 |
10 | 85054216 |
11 | 44013545 |
12 | 24599234 |
13 | 1480ca50 |
14 | b420612 |
15 | 77013b1 |
hex | 511d308 |
85054216 has 32 divisors (see below), whose sum is σ = 177672600. Its totient is φ = 37900800.
The previous prime is 85054199. The next prime is 85054217. The reversal of 85054216 is 61245058.
It can be written as a sum of positive squares in 4 ways, for example, as 66096900 + 18957316 = 8130^2 + 4354^2 .
It is not an unprimeable number, because it can be changed into a prime (85054217) 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, 11085 + ... + 17116.
Almost surely, 285054216 is an apocalyptic number.
It is an amenable number.
85054216 is an abundant number, since it is smaller than the sum of its proper divisors (92618384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85054216 is a wasteful number, since it uses less digits than its factorization.
85054216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28249 (or 28245 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 85054216 is about 9222.4842640148. The cubic root of 85054216 is about 439.7764291191.
It can be divided in two parts, 8505 and 4216, that added together give a palindrome (12721).
The spelling of 85054216 in words is "eighty-five million, fifty-four thousand, two hundred sixteen".
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