| Base | Representation |
|---|---|
| bin | 1001000110100000… |
| … | …1010000101111100 |
| 3 | 20022021100121110022 |
| 4 | 2101220022011330 |
| 5 | 20000431122140 |
| 6 | 1042234431312 |
| 7 | 114355025231 |
| oct | 22150120574 |
| 9 | 6267317408 |
| 10 | 2443223420 |
| 11 | 1044154a10 |
| 12 | 582292538 |
| 13 | 2cc240741 |
| 14 | 1926b1788 |
| 15 | e47630b5 |
| hex | 91a0a17c |
2443223420 has 48 divisors (see below), whose sum is σ = 5611788000. Its totient is φ = 886129920.
The previous prime is 2443223413. The next prime is 2443223437. The reversal of 2443223420 is 243223442.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 2443223420.
It is a congruent number.
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 71306 + ... + 99854.
It is an arithmetic number, because the mean of its divisors is an integer number (116912250).
Almost surely, 22443223420 is an apocalyptic number.
2443223420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2443223420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2805894000).
2443223420 is an abundant number, since it is smaller than the sum of its proper divisors (3168564580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2443223420 is a wasteful number, since it uses less digits than its factorization.
2443223420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28958 (or 28956 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 26.
The square root of 2443223420 is about 49428.9734872170. The cubic root of 2443223420 is about 1346.8556762067.
Adding to 2443223420 its reverse (243223442), we get a palindrome (2686446862).
It can be divided in two parts, 244322 and 3420, that added together give a palindrome (247742).
The spelling of 2443223420 in words is "two billion, four hundred forty-three million, two hundred twenty-three thousand, four hundred twenty".
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