Base | Representation |
---|---|
bin | 10001010001100… |
… | …011011000100001 |
3 | 202012100002010200 |
4 | 101101203120201 |
5 | 1043143022144 |
6 | 44431415413 |
7 | 10116243630 |
oct | 2121433041 |
9 | 665302120 |
10 | 289814049 |
11 | 139657648 |
12 | 81084569 |
13 | 48072705 |
14 | 2a6c1517 |
15 | 1a69ac69 |
hex | 11463621 |
289814049 has 36 divisors (see below), whose sum is σ = 504968256. Its totient is φ = 156879504.
The previous prime is 289814003. The next prime is 289814069. The reversal of 289814049 is 940418982.
It is not a de Polignac number, because 289814049 - 217 = 289682977 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 289813995 and 289814013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289814069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16372 + ... + 29114.
It is an arithmetic number, because the mean of its divisors is an integer number (14026896).
Almost surely, 2289814049 is an apocalyptic number.
It is an amenable number.
289814049 is a deficient number, since it is larger than the sum of its proper divisors (215154207).
289814049 is a wasteful number, since it uses less digits than its factorization.
289814049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12794 (or 12772 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 289814049 is about 17023.9257810882. The cubic root of 289814049 is about 661.7690899133.
The spelling of 289814049 in words is "two hundred eighty-nine million, eight hundred fourteen thousand, forty-nine".
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