| Base | Representation |
|---|---|
| bin | 1000010010000101… |
| … | …0101100001110000 |
| 3 | 12201221120221100220 |
| 4 | 2010201111201300 |
| 5 | 14023133101230 |
| 6 | 1004341413040 |
| 7 | 106045001601 |
| oct | 20441254160 |
| 9 | 5657527326 |
| 10 | 2223331440 |
| 11 | a41015900 |
| 12 | 52070a180 |
| 13 | 295810245 |
| 14 | 1713d1da8 |
| 15 | d02c9d10 |
| hex | 84855870 |
2223331440 has 120 divisors (see below), whose sum is σ = 7575963024. Its totient is φ = 538982400.
The previous prime is 2223331423. The next prime is 2223331441. The reversal of 2223331440 is 441333222.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 2223331440.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2223331441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9241 + ... + 67320.
Almost surely, 22223331440 is an apocalyptic number.
2223331440 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 2223331440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3787981512).
2223331440 is an abundant number, since it is smaller than the sum of its proper divisors (5352631584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2223331440 is a wasteful number, since it uses less digits than its factorization.
2223331440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76599 (or 76582 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
The square root of 2223331440 is about 47152.2156425337. The cubic root of 2223331440 is about 1305.1729663136.
Adding to 2223331440 its reverse (441333222), we get a palindrome (2664664662).
The spelling of 2223331440 in words is "two billion, two hundred twenty-three million, three hundred thirty-one thousand, four hundred forty".
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