Base | Representation |
---|---|
bin | 1010010111101… |
… | …10110101101000 |
3 | 20001200202201101 |
4 | 11023312311220 |
5 | 134232304110 |
6 | 12344331144 |
7 | 2104303432 |
oct | 513666550 |
9 | 201622641 |
10 | 86994280 |
11 | 451190aa |
12 | 25173ab4 |
13 | 1503bb09 |
14 | b7a7652 |
15 | 798613a |
hex | 52f6d68 |
86994280 has 32 divisors (see below), whose sum is σ = 204249600. Its totient is φ = 33284416.
The previous prime is 86994233. The next prime is 86994301. The reversal of 86994280 is 8249968.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a self number, because there is not a number n which added to its sum of digits gives 86994280.
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, 46360 + ... + 48199.
It is an arithmetic number, because the mean of its divisors is an integer number (6382800).
Almost surely, 286994280 is an apocalyptic number.
It is an amenable number.
86994280 is an abundant number, since it is smaller than the sum of its proper divisors (117255320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86994280 is a wasteful number, since it uses less digits than its factorization.
86994280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94593 (or 94589 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 46.
The square root of 86994280 is about 9327.0724238638. The cubic root of 86994280 is about 443.0950510016.
The spelling of 86994280 in words is "eighty-six million, nine hundred ninety-four thousand, two hundred eighty".
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