Base | Representation |
---|---|
bin | 11010110011010… |
… | …10001100000101 |
3 | 120200001120001221 |
4 | 31121222030011 |
5 | 430024031323 |
6 | 34150520341 |
7 | 5400011446 |
oct | 1531521405 |
9 | 520046057 |
10 | 224830213 |
11 | 105a022a3 |
12 | 633660b1 |
13 | 3776c13a |
14 | 21c072cd |
15 | 14b1155d |
hex | d66a305 |
224830213 has 2 divisors, whose sum is σ = 224830214. Its totient is φ = 224830212.
The previous prime is 224830181. The next prime is 224830247. The reversal of 224830213 is 312038422.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 221950404 + 2879809 = 14898^2 + 1697^2 .
It is a cyclic number.
It is not a de Polignac number, because 224830213 - 25 = 224830181 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (224830283) 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, 112415106 + 112415107.
It is an arithmetic number, because the mean of its divisors is an integer number (112415107).
Almost surely, 2224830213 is an apocalyptic number.
It is an amenable number.
224830213 is a deficient number, since it is larger than the sum of its proper divisors (1).
224830213 is an equidigital number, since it uses as much as digits as its factorization.
224830213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 224830213 is about 14994.3393652405. The cubic root of 224830213 is about 608.0671716025.
Adding to 224830213 its reverse (312038422), we get a palindrome (536868635).
The spelling of 224830213 in words is "two hundred twenty-four million, eight hundred thirty thousand, two hundred thirteen".
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