Base | Representation |
---|---|
bin | 1010010110110… |
… | …00110100001001 |
3 | 20001110112000202 |
4 | 11023120310021 |
5 | 134214340210 |
6 | 12341541545 |
7 | 2103252053 |
oct | 513306411 |
9 | 201415022 |
10 | 86871305 |
11 | 45044774 |
12 | 251148b5 |
13 | 14cc7b51 |
14 | b7748d3 |
15 | 795e9a5 |
hex | 52d8d09 |
86871305 has 8 divisors (see below), whose sum is σ = 106012800. Its totient is φ = 68318896.
The previous prime is 86871271. The next prime is 86871347. The reversal of 86871305 is 50317868.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 86871305 - 216 = 86805769 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146945 + ... + 147534.
It is an arithmetic number, because the mean of its divisors is an integer number (13251600).
Almost surely, 286871305 is an apocalyptic number.
It is an amenable number.
86871305 is a deficient number, since it is larger than the sum of its proper divisors (19141495).
86871305 is a wasteful number, since it uses less digits than its factorization.
86871305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294543.
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 86871305 is about 9320.4777238079. The cubic root of 86871305 is about 442.8861663502.
The spelling of 86871305 in words is "eighty-six million, eight hundred seventy-one thousand, three hundred five".
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