Base | Representation |
---|---|
bin | 110000001101100… |
… | …011011010000100 |
3 | 2002101000022022200 |
4 | 300031203122010 |
5 | 3124031444033 |
6 | 212132354500 |
7 | 26021122200 |
oct | 6015433204 |
9 | 2071008280 |
10 | 808859268 |
11 | 385641a38 |
12 | 1a6a75a30 |
13 | cb765469 |
14 | 795d3b00 |
15 | 4b027013 |
hex | 30363684 |
808859268 has 108 divisors (see below), whose sum is σ = 2417743692. Its totient is φ = 227283840.
The previous prime is 808859263. The next prime is 808859281. The reversal of 808859268 is 862958808.
It can be written as a sum of positive squares in 2 ways, for example, as 374887044 + 433972224 = 19362^2 + 20832^2 .
It is not an unprimeable number, because it can be changed into a prime (808859263) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 103846 + ... + 111362.
Almost surely, 2808859268 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 808859268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1208871846).
808859268 is an abundant number, since it is smaller than the sum of its proper divisors (1608884424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808859268 is a wasteful number, since it uses less digits than its factorization.
808859268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7602 (or 7590 counting only the distinct ones).
The product of its (nonzero) digits is 2211840, while the sum is 54.
The square root of 808859268 is about 28440.4512622427. The cubic root of 808859268 is about 931.7319511957.
The spelling of 808859268 in words is "eight hundred eight million, eight hundred fifty-nine thousand, two hundred sixty-eight".
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