Base | Representation |
---|---|
bin | 1001110010001… |
… | …11110100010011 |
3 | 12201110020211111 |
4 | 10321013310103 |
5 | 132003124331 |
6 | 12051154151 |
7 | 2014460206 |
oct | 471076423 |
9 | 181406744 |
10 | 82083091 |
11 | 42374272 |
12 | 235a5957 |
13 | 1400c59c |
14 | ac8993d |
15 | 7315db1 |
hex | 4e47d13 |
82083091 has 2 divisors, whose sum is σ = 82083092. Its totient is φ = 82083090.
The previous prime is 82083083. The next prime is 82083109. The reversal of 82083091 is 19038028.
Together with next prime (82083109) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 82083091 - 23 = 82083083 is a prime.
It is a super-2 number, since 2×820830912 = 13475267656228562, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (82080091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41041545 + 41041546.
It is an arithmetic number, because the mean of its divisors is an integer number (41041546).
Almost surely, 282083091 is an apocalyptic number.
82083091 is a deficient number, since it is larger than the sum of its proper divisors (1).
82083091 is an equidigital number, since it uses as much as digits as its factorization.
82083091 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 82083091 is about 9059.9719094487. The cubic root of 82083091 is about 434.5948418491.
The spelling of 82083091 in words is "eighty-two million, eighty-three thousand, ninety-one".
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