Base | Representation |
---|---|
bin | 1010010100100… |
… | …11101000000100 |
3 | 20000221010021120 |
4 | 11022103220010 |
5 | 134131303113 |
6 | 12331513540 |
7 | 2100661611 |
oct | 512235004 |
9 | 200833246 |
10 | 86587908 |
11 | 44970860 |
12 | 24bb88b0 |
13 | 14c28b64 |
14 | b6dd508 |
15 | 7905a23 |
hex | 5293a04 |
86587908 has 48 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 25866400.
The previous prime is 86587903. The next prime is 86587909. The reversal of 86587908 is 80978568.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (86587901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4753 + ... + 13991.
It is an arithmetic number, because the mean of its divisors is an integer number (4656960).
Almost surely, 286587908 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 86587908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111767040).
86587908 is an abundant number, since it is smaller than the sum of its proper divisors (136946172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86587908 is a wasteful number, since it uses less digits than its factorization.
86587908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9328 (or 9326 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 51.
The square root of 86587908 is about 9305.2623821148. The cubic root of 86587908 is about 442.4040380501.
The spelling of 86587908 in words is "eighty-six million, five hundred eighty-seven thousand, nine hundred eight".
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