Base | Representation |
---|---|
bin | 1001111011101… |
… | …11001011111001 |
3 | 12210210101100122 |
4 | 10331313023321 |
5 | 132312410224 |
6 | 12133543025 |
7 | 2031154016 |
oct | 475671371 |
9 | 183711318 |
10 | 83325689 |
11 | 43042907 |
12 | 23aa4a75 |
13 | 14356055 |
14 | b0d070d |
15 | 74ae15e |
hex | 4f772f9 |
83325689 has 12 divisors (see below), whose sum is σ = 86560464. Its totient is φ = 80192904.
The previous prime is 83325673. The next prime is 83325731. The reversal of 83325689 is 98652338.
It is not a de Polignac number, because 83325689 - 24 = 83325673 is a prime.
It is a super-3 number, since 3×833256893 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (83325889) 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, 147722 + ... + 148284.
It is an arithmetic number, because the mean of its divisors is an integer number (7213372).
Almost surely, 283325689 is an apocalyptic number.
It is an amenable number.
83325689 is a deficient number, since it is larger than the sum of its proper divisors (3234775).
83325689 is an equidigital number, since it uses as much as digits as its factorization.
83325689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 724 (or 677 counting only the distinct ones).
The product of its digits is 311040, while the sum is 44.
The square root of 83325689 is about 9128.2905847700. The cubic root of 83325689 is about 436.7768760792.
The spelling of 83325689 in words is "eighty-three million, three hundred twenty-five thousand, six hundred eighty-nine".
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