Base | Representation |
---|---|
bin | 1010010110110… |
… | …11011001100111 |
3 | 20001111001112222 |
4 | 11023123121213 |
5 | 134220210040 |
6 | 12342102555 |
7 | 2103324662 |
oct | 513333147 |
9 | 201431488 |
10 | 86881895 |
11 | 45051721 |
12 | 2511aa5b |
13 | 14ccc909 |
14 | b7786d9 |
15 | 7962bb5 |
hex | 52db667 |
86881895 has 8 divisors (see below), whose sum is σ = 104454240. Its totient is φ = 69374880.
The previous prime is 86881891. The next prime is 86881903. The reversal of 86881895 is 59818868.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 86881895 - 22 = 86881891 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86881891) 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, 13355 + ... + 18764.
It is an arithmetic number, because the mean of its divisors is an integer number (13056780).
Almost surely, 286881895 is an apocalyptic number.
86881895 is a deficient number, since it is larger than the sum of its proper divisors (17572345).
86881895 is a wasteful number, since it uses less digits than its factorization.
86881895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32665.
The product of its digits is 1105920, while the sum is 53.
The square root of 86881895 is about 9321.0458104228. The cubic root of 86881895 is about 442.9041622194.
The spelling of 86881895 in words is "eighty-six million, eight hundred eighty-one thousand, eight hundred ninety-five".
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