Base | Representation |
---|---|
bin | 1010010001111… |
… | …10100000011100 |
3 | 20000021102000200 |
4 | 11020332200130 |
5 | 134034124020 |
6 | 12320223500 |
7 | 2065010262 |
oct | 510764034 |
9 | 200242020 |
10 | 86239260 |
11 | 44752918 |
12 | 24a6ab90 |
13 | 14b36263 |
14 | b64c432 |
15 | 7887590 |
hex | 523e81c |
86239260 has 72 divisors (see below), whose sum is σ = 263137056. Its totient is φ = 22861440.
The previous prime is 86239247. The next prime is 86239261. The reversal of 86239260 is 6293268.
86239260 is a `hidden beast` number, since 8 + 623 + 9 + 26 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86239261) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31257 + ... + 33903.
Almost surely, 286239260 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86239260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131568528).
86239260 is an abundant number, since it is smaller than the sum of its proper divisors (176897796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86239260 is a wasteful number, since it uses less digits than its factorization.
86239260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2843 (or 2838 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 86239260 is about 9286.5095703391. The cubic root of 86239260 is about 441.8094563037.
The spelling of 86239260 in words is "eighty-six million, two hundred thirty-nine thousand, two hundred sixty".
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