Base | Representation |
---|---|
bin | 11010010000010… |
… | …10010100100000 |
3 | 120100102111220202 |
4 | 31020022110200 |
5 | 422340240412 |
6 | 33504324332 |
7 | 5313015356 |
oct | 1510122440 |
9 | 510374822 |
10 | 220243232 |
11 | 10335a000 |
12 | 619136a8 |
13 | 36824351 |
14 | 213717d6 |
15 | 145073c2 |
hex | d20a520 |
220243232 has 48 divisors (see below), whose sum is σ = 477023904. Its totient is φ = 100091200.
The previous prime is 220243229. The next prime is 220243237. The reversal of 220243232 is 232342022.
220243232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (220243237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40007 + ... + 45177.
It is an arithmetic number, because the mean of its divisors is an integer number (9937998).
Almost surely, 2220243232 is an apocalyptic number.
220243232 is a gapful number since it is divisible by the number (22) 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 220243232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238511952).
220243232 is an abundant number, since it is smaller than the sum of its proper divisors (256780672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220243232 is an equidigital number, since it uses as much as digits as its factorization.
220243232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5214 (or 5184 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 20.
The square root of 220243232 is about 14840.5940581905. The cubic root of 220243232 is about 603.9034683384.
Adding to 220243232 its reverse (232342022), we get a palindrome (452585254).
The spelling of 220243232 in words is "two hundred twenty million, two hundred forty-three thousand, two hundred thirty-two".
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