Base | Representation |
---|---|
bin | 1001111000100… |
… | …01111001010001 |
3 | 12210000022020102 |
4 | 10330101321101 |
5 | 132211121201 |
6 | 12121022145 |
7 | 2024505311 |
oct | 474217121 |
9 | 183008212 |
10 | 82910801 |
11 | 4288a126 |
12 | 23924955 |
13 | 1423c25c |
14 | b023441 |
15 | 742b26b |
hex | 4f11e51 |
82910801 has 2 divisors, whose sum is σ = 82910802. Its totient is φ = 82910800.
The previous prime is 82910783. The next prime is 82910803. The reversal of 82910801 is 10801928.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 58507201 + 24403600 = 7649^2 + 4940^2 .
It is a cyclic number.
It is not a de Polignac number, because 82910801 - 222 = 78716497 is a prime.
Together with 82910803, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (82910803) 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 as a sum of consecutive naturals, namely, 41455400 + 41455401.
It is an arithmetic number, because the mean of its divisors is an integer number (41455401).
Almost surely, 282910801 is an apocalyptic number.
It is an amenable number.
82910801 is a deficient number, since it is larger than the sum of its proper divisors (1).
82910801 is an equidigital number, since it uses as much as digits as its factorization.
82910801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1152, while the sum is 29.
The square root of 82910801 is about 9105.5368320599. The cubic root of 82910801 is about 436.0507491498.
The spelling of 82910801 in words is "eighty-two million, nine hundred ten thousand, eight hundred one".
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