Base | Representation |
---|---|
bin | 1010010101001… |
… | …11010001100000 |
3 | 20001002012200011 |
4 | 11022213101200 |
5 | 134141342014 |
6 | 12333334304 |
7 | 2101445335 |
oct | 512472140 |
9 | 201065604 |
10 | 86668384 |
11 | 44a16270 |
12 | 25037394 |
13 | 14c5668a |
14 | b72098c |
15 | 791e7c4 |
hex | 52a7460 |
86668384 has 24 divisors (see below), whose sum is σ = 186140808. Its totient is φ = 39394560.
The previous prime is 86668369. The next prime is 86668391. The reversal of 86668384 is 48386668.
It is a super-2 number, since 2×866683842 = 15022817570342912, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122757 + ... + 123460.
It is an arithmetic number, because the mean of its divisors is an integer number (7755867).
Almost surely, 286668384 is an apocalyptic number.
It is an amenable number.
86668384 is an abundant number, since it is smaller than the sum of its proper divisors (99472424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86668384 is a wasteful number, since it uses less digits than its factorization.
86668384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246238 (or 246230 counting only the distinct ones).
The product of its digits is 1327104, while the sum is 49.
The square root of 86668384 is about 9309.5855976515. The cubic root of 86668384 is about 442.5410544224.
The spelling of 86668384 in words is "eighty-six million, six hundred sixty-eight thousand, three hundred eighty-four".
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