Base | Representation |
---|---|
bin | 1001111010111… |
… | …11010110100101 |
3 | 12210121102110002 |
4 | 10331133112211 |
5 | 132301244234 |
6 | 12131511045 |
7 | 2030266301 |
oct | 475372645 |
9 | 183542402 |
10 | 83228069 |
11 | 42a86531 |
12 | 23a58485 |
13 | 143207a2 |
14 | b0a6d01 |
15 | 749027e |
hex | 4f5f5a5 |
83228069 has 2 divisors, whose sum is σ = 83228070. Its totient is φ = 83228068.
The previous prime is 83228011. The next prime is 83228077. The reversal of 83228069 is 96082238.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 76912900 + 6315169 = 8770^2 + 2513^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-83228069 is a prime.
It is a super-2 number, since 2×832280692 = 13853822938937522, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (83228009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41614034 + 41614035.
It is an arithmetic number, because the mean of its divisors is an integer number (41614035).
Almost surely, 283228069 is an apocalyptic number.
It is an amenable number.
83228069 is a deficient number, since it is larger than the sum of its proper divisors (1).
83228069 is an equidigital number, since it uses as much as digits as its factorization.
83228069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 83228069 is about 9122.9419048901. The cubic root of 83228069 is about 436.6062411451.
The spelling of 83228069 in words is "eighty-three million, two hundred twenty-eight thousand, sixty-nine".
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