Base | Representation |
---|---|
bin | 1000010001110011… |
… | …0011101110101110 |
3 | 12201212100122002120 |
4 | 2010130303232232 |
5 | 14022332110210 |
6 | 1004300133410 |
7 | 106031626122 |
oct | 20434635656 |
9 | 5655318076 |
10 | 2222144430 |
11 | a40385000 |
12 | 520237266 |
13 | 2954b5b7c |
14 | 1711a3582 |
15 | d0143270 |
hex | 84733bae |
2222144430 has 256 divisors, whose sum is σ = 6450969600. Its totient is φ = 487872000.
The previous prime is 2222144383. The next prime is 2222144467. The reversal of 2222144430 is 344412222.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2222144430.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22001380 + ... + 22001480.
It is an arithmetic number, because the mean of its divisors is an integer number (25199100).
Almost surely, 22222144430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222144430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3225484800).
2222144430 is an abundant number, since it is smaller than the sum of its proper divisors (4228825170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222144430 is a wasteful number, since it uses less digits than its factorization.
2222144430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 192 (or 170 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 2222144430 is about 47139.6269607641. The cubic root of 2222144430 is about 1304.9406528993.
Adding to 2222144430 its reverse (344412222), we get a palindrome (2566556652).
The spelling of 2222144430 in words is "two billion, two hundred twenty-two million, one hundred forty-four thousand, four hundred thirty".
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