Base | Representation |
---|---|
bin | 1001110001101… |
… | …01100001111101 |
3 | 12201022110002100 |
4 | 10320311201331 |
5 | 131443230224 |
6 | 12045415313 |
7 | 2014025634 |
oct | 470654175 |
9 | 181273070 |
10 | 82008189 |
11 | 42322a6a |
12 | 2356a539 |
13 | 13cb4473 |
14 | ac6a51b |
15 | 72edac9 |
hex | 4e3587d |
82008189 has 12 divisors (see below), whose sum is σ = 119167776. Its totient is φ = 54343752.
The previous prime is 82008167. The next prime is 82008197. The reversal of 82008189 is 98180028.
It is not a de Polignac number, because 82008189 - 213 = 81999997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82008139) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25779 + ... + 28784.
It is an arithmetic number, because the mean of its divisors is an integer number (9930648).
Almost surely, 282008189 is an apocalyptic number.
It is an amenable number.
82008189 is a deficient number, since it is larger than the sum of its proper divisors (37159587).
82008189 is a wasteful number, since it uses less digits than its factorization.
82008189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54736 (or 54733 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 36.
The square root of 82008189 is about 9055.8372887326. The cubic root of 82008189 is about 434.4626102739.
The spelling of 82008189 in words is "eighty-two million, eight thousand, one hundred eighty-nine".
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