Base | Representation |
---|---|
bin | 1010010110111… |
… | …00011100011011 |
3 | 20001111021102100 |
4 | 11023130130123 |
5 | 134220324141 |
6 | 12342134443 |
7 | 2103343311 |
oct | 513343433 |
9 | 201437370 |
10 | 86886171 |
11 | 45054959 |
12 | 25121423 |
13 | 15001848 |
14 | b77a0b1 |
15 | 79640b6 |
hex | 52dc71b |
86886171 has 6 divisors (see below), whose sum is σ = 125502260. Its totient is φ = 57924108.
The previous prime is 86886169. The next prime is 86886181. The reversal of 86886171 is 17168868.
It is not a de Polignac number, because 86886171 - 21 = 86886169 is a prime.
It is a super-2 number, since 2×868861712 = 15098413422082482, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (86886131) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4827001 + ... + 4827018.
Almost surely, 286886171 is an apocalyptic number.
86886171 is a deficient number, since it is larger than the sum of its proper divisors (38616089).
86886171 is a wasteful number, since it uses less digits than its factorization.
86886171 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9654025 (or 9654022 counting only the distinct ones).
The product of its digits is 129024, while the sum is 45.
The square root of 86886171 is about 9321.2751810039. The cubic root of 86886171 is about 442.9114281257.
The spelling of 86886171 in words is "eighty-six million, eight hundred eighty-six thousand, one hundred seventy-one".
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