Base | Representation |
---|---|
bin | 1111010100111000… |
… | …11011110010011010 |
3 | 210020102222102111000 |
4 | 13222130123302122 |
5 | 113322420232230 |
6 | 3440252445430 |
7 | 410622210525 |
oct | 75234336232 |
9 | 23212872430 |
10 | 8228289690 |
11 | 3542722915 |
12 | 1717779876 |
13 | a11923a8a |
14 | 580b31bbc |
15 | 332591b60 |
hex | 1ea71bc9a |
8228289690 has 64 divisors (see below), whose sum is σ = 21963513600. Its totient is φ = 2192069952.
The previous prime is 8228289689. The next prime is 8228289691. The reversal of 8228289690 is 969828228.
It is an interprime number because it is at equal distance from previous prime (8228289689) and next prime (8228289691).
It is a super-3 number, since 3×82282896903 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (8228289691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272676 + ... + 301344.
It is an arithmetic number, because the mean of its divisors is an integer number (343179900).
Almost surely, 28228289690 is an apocalyptic number.
8228289690 is an abundant number, since it is smaller than the sum of its proper divisors (13735223910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8228289690 is a wasteful number, since it uses less digits than its factorization.
8228289690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29748 (or 29742 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 54.
The square root of 8228289690 is about 90709.9205710158. The cubic root of 8228289690 is about 2018.8459972306.
The spelling of 8228289690 in words is "eight billion, two hundred twenty-eight million, two hundred eighty-nine thousand, six hundred ninety".
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