Base | Representation |
---|---|
bin | 1010010001001… |
… | …00000011100011 |
3 | 20000001220101220 |
4 | 11020210003203 |
5 | 134022142130 |
6 | 12314030123 |
7 | 2064046353 |
oct | 510440343 |
9 | 200056356 |
10 | 86130915 |
11 | 44689482 |
12 | 24a18343 |
13 | 14ac8b50 |
14 | b620b63 |
15 | 7865410 |
hex | 52240e3 |
86130915 has 16 divisors (see below), whose sum is σ = 148410528. Its totient is φ = 42402816.
The previous prime is 86130871. The next prime is 86130923. The reversal of 86130915 is 51903168.
It is not a de Polignac number, because 86130915 - 27 = 86130787 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220654 + ... + 221043.
It is an arithmetic number, because the mean of its divisors is an integer number (9275658).
Almost surely, 286130915 is an apocalyptic number.
86130915 is a deficient number, since it is larger than the sum of its proper divisors (62279613).
86130915 is a wasteful number, since it uses less digits than its factorization.
86130915 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 441718.
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 86130915 is about 9280.6742750729. The cubic root of 86130915 is about 441.6243592243.
The spelling of 86130915 in words is "eighty-six million, one hundred thirty thousand, nine hundred fifteen".
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