Base | Representation |
---|---|
bin | 10001010001110… |
… | …011100000110101 |
3 | 202012110102202122 |
4 | 101101303200311 |
5 | 1043202130432 |
6 | 44433045325 |
7 | 10116640352 |
oct | 2121634065 |
9 | 665412678 |
10 | 289880117 |
11 | 1396a224a |
12 | 810b6845 |
13 | 480967c7 |
14 | 2a6db629 |
15 | 1a6b0612 |
hex | 11473835 |
289880117 has 4 divisors (see below), whose sum is σ = 290092620. Its totient is φ = 289667616.
The previous prime is 289880099. The next prime is 289880119. The reversal of 289880117 is 711088982.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 249608401 + 40271716 = 15799^2 + 6346^2 .
It is a cyclic number.
It is not a de Polignac number, because 289880117 - 26 = 289880053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (289880119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104192 + ... + 106937.
It is an arithmetic number, because the mean of its divisors is an integer number (72523155).
Almost surely, 2289880117 is an apocalyptic number.
It is an amenable number.
289880117 is a deficient number, since it is larger than the sum of its proper divisors (212503).
289880117 is a wasteful number, since it uses less digits than its factorization.
289880117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212502.
The product of its (nonzero) digits is 64512, while the sum is 44.
The square root of 289880117 is about 17025.8661160013. The cubic root of 289880117 is about 661.8193732339.
The spelling of 289880117 in words is "two hundred eighty-nine million, eight hundred eighty thousand, one hundred seventeen".
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