Base | Representation |
---|---|
bin | 111011110001001… |
… | …0100001101100011 |
3 | 12011202200011101112 |
4 | 1313202110031203 |
5 | 13101401000022 |
6 | 531000253535 |
7 | 100461223154 |
oct | 16742241543 |
9 | 5152604345 |
10 | 2005484387 |
11 | 93a053115 |
12 | 47b7712ab |
13 | 25c64776a |
14 | 1504c592b |
15 | bb0e78e2 |
hex | 77894363 |
2005484387 has 2 divisors, whose sum is σ = 2005484388. Its totient is φ = 2005484386.
The previous prime is 2005484363. The next prime is 2005484413. The reversal of 2005484387 is 7834845002.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2005484387 is a prime.
It is not a weakly prime, because it can be changed into another prime (2005484347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002742193 + 1002742194.
It is an arithmetic number, because the mean of its divisors is an integer number (1002742194).
Almost surely, 22005484387 is an apocalyptic number.
2005484387 is a deficient number, since it is larger than the sum of its proper divisors (1).
2005484387 is an equidigital number, since it uses as much as digits as its factorization.
2005484387 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 215040, while the sum is 41.
The square root of 2005484387 is about 44782.6348822845. The cubic root of 2005484387 is about 1261.0716479186.
The spelling of 2005484387 in words is "two billion, five million, four hundred eighty-four thousand, three hundred eighty-seven".
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