Base | Representation |
---|---|
bin | 11111101000010… |
… | …010010010110101 |
3 | 1100222112000222021 |
4 | 133220102102311 |
5 | 2041321420024 |
6 | 124353433141 |
7 | 16102326226 |
oct | 3750222265 |
9 | 1328460867 |
10 | 530654389 |
11 | 2525a4551 |
12 | 12986b7b1 |
13 | 85c28ba5 |
14 | 5069524d |
15 | 318c0de4 |
hex | 1fa124b5 |
530654389 has 2 divisors, whose sum is σ = 530654390. Its totient is φ = 530654388.
The previous prime is 530654381. The next prime is 530654461. The reversal of 530654389 is 983456035.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 421973764 + 108680625 = 20542^2 + 10425^2 .
It is a cyclic number.
It is not a de Polignac number, because 530654389 - 23 = 530654381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (530654381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265327194 + 265327195.
It is an arithmetic number, because the mean of its divisors is an integer number (265327195).
Almost surely, 2530654389 is an apocalyptic number.
It is an amenable number.
530654389 is a deficient number, since it is larger than the sum of its proper divisors (1).
530654389 is an equidigital number, since it uses as much as digits as its factorization.
530654389 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 388800, while the sum is 43.
The square root of 530654389 is about 23035.9369030218. The cubic root of 530654389 is about 809.6001628718.
It can be divided in two parts, 5306 and 54389, that added together give a palindrome (59695).
The spelling of 530654389 in words is "five hundred thirty million, six hundred fifty-four thousand, three hundred eighty-nine".
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