Base | Representation |
---|---|
bin | 1001110010001… |
… | …11001011000011 |
3 | 12201110010012201 |
4 | 10321013023003 |
5 | 132003033301 |
6 | 12051134031 |
7 | 2014446415 |
oct | 471071303 |
9 | 181403181 |
10 | 82080451 |
11 | 42372292 |
12 | 235a4317 |
13 | 1400b31b |
14 | ac889b5 |
15 | 7315201 |
hex | 4e472c3 |
82080451 has 2 divisors, whose sum is σ = 82080452. Its totient is φ = 82080450.
The previous prime is 82080431. The next prime is 82080461. The reversal of 82080451 is 15408028.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 82080451 - 25 = 82080419 is a prime.
It is not a weakly prime, because it can be changed into another prime (82080431) 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, 41040225 + 41040226.
It is an arithmetic number, because the mean of its divisors is an integer number (41040226).
Almost surely, 282080451 is an apocalyptic number.
82080451 is a deficient number, since it is larger than the sum of its proper divisors (1).
82080451 is an equidigital number, since it uses as much as digits as its factorization.
82080451 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 82080451 is about 9059.8262124613. The cubic root of 82080451 is about 434.5901825757.
Adding to 82080451 its reverse (15408028), we get a palindrome (97488479).
The spelling of 82080451 in words is "eighty-two million, eighty thousand, four hundred fifty-one".
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