Base | Representation |
---|---|
bin | 1001110100110… |
… | …10110110100111 |
3 | 12202002112101101 |
4 | 10322122312213 |
5 | 132100020312 |
6 | 12102340531 |
7 | 2020404616 |
oct | 472326647 |
9 | 182075341 |
10 | 82423207 |
11 | 42586859 |
12 | 2372a747 |
13 | 140cb339 |
14 | ad3787d |
15 | 7381a57 |
hex | 4e9ada7 |
82423207 has 2 divisors, whose sum is σ = 82423208. Its totient is φ = 82423206.
The previous prime is 82423193. The next prime is 82423223. The reversal of 82423207 is 70232428.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 82423207 - 211 = 82421159 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (82423507) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41211603 + 41211604.
It is an arithmetic number, because the mean of its divisors is an integer number (41211604).
Almost surely, 282423207 is an apocalyptic number.
82423207 is a deficient number, since it is larger than the sum of its proper divisors (1).
82423207 is an equidigital number, since it uses as much as digits as its factorization.
82423207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 82423207 is about 9078.7227625917. The cubic root of 82423207 is about 435.1942709128.
It can be divided in two parts, 82423 and 207, that multiplied together give a triangular number (17061561 = T5841).
The spelling of 82423207 in words is "eighty-two million, four hundred twenty-three thousand, two hundred seven".
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