Base | Representation |
---|---|
bin | 1001111011011… |
… | …10010000110011 |
3 | 12210201112012221 |
4 | 10331232100303 |
5 | 132310223024 |
6 | 12133101511 |
7 | 2030642323 |
oct | 475562063 |
9 | 183645187 |
10 | 83289139 |
11 | 430183aa |
12 | 23a87897 |
13 | 1434251b |
14 | b0c1283 |
15 | 74a33e4 |
hex | 4f6e433 |
83289139 has 2 divisors, whose sum is σ = 83289140. Its totient is φ = 83289138.
The previous prime is 83289119. The next prime is 83289181. The reversal of 83289139 is 93198238.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 83289139 - 211 = 83287091 is a prime.
It is a super-3 number, since 3×832891393 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 83289095 and 83289104.
It is not a weakly prime, because it can be changed into another prime (83289119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41644569 + 41644570.
It is an arithmetic number, because the mean of its divisors is an integer number (41644570).
Almost surely, 283289139 is an apocalyptic number.
83289139 is a deficient number, since it is larger than the sum of its proper divisors (1).
83289139 is an equidigital number, since it uses as much as digits as its factorization.
83289139 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 93312, while the sum is 43.
The square root of 83289139 is about 9126.2883474061. The cubic root of 83289139 is about 436.7130041018.
Subtracting 83289139 from its reverse (93198238), we obtain a palindrome (9909099).
The spelling of 83289139 in words is "eighty-three million, two hundred eighty-nine thousand, one hundred thirty-nine".
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