Base | Representation |
---|---|
bin | 10001001110111… |
… | …110000101010111 |
3 | 202011001200101011 |
4 | 101032332011113 |
5 | 1043004340413 |
6 | 44405113051 |
7 | 10110423652 |
oct | 2116760527 |
9 | 664050334 |
10 | 289136983 |
11 | 139234993 |
12 | 809b8787 |
13 | 47b96495 |
14 | 2a586899 |
15 | 1a5b533d |
hex | 113be157 |
289136983 has 2 divisors, whose sum is σ = 289136984. Its totient is φ = 289136982.
The previous prime is 289136977. The next prime is 289136987. The reversal of 289136983 is 389631982.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 289136983 - 25 = 289136951 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (289136987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144568491 + 144568492.
It is an arithmetic number, because the mean of its divisors is an integer number (144568492).
Almost surely, 2289136983 is an apocalyptic number.
289136983 is a deficient number, since it is larger than the sum of its proper divisors (1).
289136983 is an equidigital number, since it uses as much as digits as its factorization.
289136983 is an evil number, because the sum of its binary digits is even.
The product of its digits is 559872, while the sum is 49.
The square root of 289136983 is about 17004.0284344622. The cubic root of 289136983 is about 661.2533445847.
The spelling of 289136983 in words is "two hundred eighty-nine million, one hundred thirty-six thousand, nine hundred eighty-three".
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