Base | Representation |
---|---|
bin | 1010010110110… |
… | …00000110110100 |
3 | 20001110101001022 |
4 | 11023120012310 |
5 | 134214242104 |
6 | 12341520312 |
7 | 2103240440 |
oct | 513300664 |
9 | 201411038 |
10 | 86868404 |
11 | 45042577 |
12 | 25113098 |
13 | 14cc672c |
14 | b773820 |
15 | 795dbbe |
hex | 52d81b4 |
86868404 has 24 divisors (see below), whose sum is σ = 173943168. Its totient is φ = 37185120.
The previous prime is 86868391. The next prime is 86868407. The reversal of 86868404 is 40486868.
It is a super-2 number, since 2×868684042 = 15092239227014432, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86868407) 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, 35294 + ... + 37674.
It is an arithmetic number, because the mean of its divisors is an integer number (7247632).
Almost surely, 286868404 is an apocalyptic number.
It is an amenable number.
86868404 is an abundant number, since it is smaller than the sum of its proper divisors (87074764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86868404 is a wasteful number, since it uses less digits than its factorization.
86868404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3695 (or 3693 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 44.
The square root of 86868404 is about 9320.3220974385. The cubic root of 86868404 is about 442.8812363484.
The spelling of 86868404 in words is "eighty-six million, eight hundred sixty-eight thousand, four hundred four".
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