Base | Representation |
---|---|
bin | 11010101000101… |
… | …11110100010010 |
3 | 120120110010212200 |
4 | 31110113310102 |
5 | 424200203432 |
6 | 34101104030 |
7 | 5352146640 |
oct | 1524276422 |
9 | 516403780 |
10 | 223444242 |
11 | 105145a6a |
12 | 629b8016 |
13 | 373a5338 |
14 | 21966190 |
15 | 1493aa7c |
hex | d517d12 |
223444242 has 48 divisors (see below), whose sum is σ = 561105792. Its totient is φ = 62939520.
The previous prime is 223444229. The next prime is 223444259. The reversal of 223444242 is 242444322.
223444242 is a `hidden beast` number, since 2 + 234 + 4 + 424 + 2 = 666.
223444242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3543 + ... + 21434.
It is an arithmetic number, because the mean of its divisors is an integer number (11689704).
Almost surely, 2223444242 is an apocalyptic number.
223444242 is an abundant number, since it is smaller than the sum of its proper divisors (337661550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223444242 is a wasteful number, since it uses less digits than its factorization.
223444242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25063 (or 25060 counting only the distinct ones).
The product of its digits is 12288, while the sum is 27.
The square root of 223444242 is about 14948.0514449208. The cubic root of 223444242 is about 606.8151139501.
Adding to 223444242 its reverse (242444322), we get a palindrome (465888564).
The spelling of 223444242 in words is "two hundred twenty-three million, four hundred forty-four thousand, two hundred forty-two".
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