Base | Representation |
---|---|
bin | 1010010110110… |
… | …00000010111111 |
3 | 20001110100201020 |
4 | 11023120002333 |
5 | 134214240114 |
6 | 12341515223 |
7 | 2103236640 |
oct | 513300277 |
9 | 201410636 |
10 | 86868159 |
11 | 45042374 |
12 | 25112b13 |
13 | 14cc65a1 |
14 | b7736c7 |
15 | 795daa9 |
hex | 52d80bf |
86868159 has 8 divisors (see below), whose sum is σ = 132370560. Its totient is φ = 49638936.
The previous prime is 86868157. The next prime is 86868167. The reversal of 86868159 is 95186868.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 86868159 - 21 = 86868157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86868151) 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, 2068269 + ... + 2068310.
It is an arithmetic number, because the mean of its divisors is an integer number (16546320).
Almost surely, 286868159 is an apocalyptic number.
86868159 is a deficient number, since it is larger than the sum of its proper divisors (45502401).
86868159 is a wasteful number, since it uses less digits than its factorization.
86868159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4136589.
The product of its digits is 829440, while the sum is 51.
The square root of 86868159 is about 9320.3089541066. The cubic root of 86868159 is about 442.8808199868.
The spelling of 86868159 in words is "eighty-six million, eight hundred sixty-eight thousand, one hundred fifty-nine".
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