Base | Representation |
---|---|
bin | 1010001000101… |
… | …00000100110101 |
3 | 12220222022020112 |
4 | 11010110010311 |
5 | 133231020020 |
6 | 12234112405 |
7 | 2051426432 |
oct | 504240465 |
9 | 186868215 |
10 | 85016885 |
11 | 43a98498 |
12 | 2457b705 |
13 | 147c8a65 |
14 | b410b89 |
15 | 76e52c5 |
hex | 5114135 |
85016885 has 8 divisors (see below), whose sum is σ = 102418776. Its totient is φ = 67747840.
The previous prime is 85016863. The next prime is 85016917. The reversal of 85016885 is 58861058.
It can be written as a sum of positive squares in 4 ways, for example, as 56040196 + 28976689 = 7486^2 + 5383^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85016885 - 28 = 85016629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31796 + ... + 34365.
It is an arithmetic number, because the mean of its divisors is an integer number (12802347).
Almost surely, 285016885 is an apocalyptic number.
It is an amenable number.
85016885 is a deficient number, since it is larger than the sum of its proper divisors (17401891).
85016885 is a wasteful number, since it uses less digits than its factorization.
85016885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66423.
The product of its (nonzero) digits is 76800, while the sum is 41.
The square root of 85016885 is about 9220.4601295163. The cubic root of 85016885 is about 439.7120791977.
The spelling of 85016885 in words is "eighty-five million, sixteen thousand, eight hundred eighty-five".
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