Base | Representation |
---|---|
bin | 11010011010101… |
… | …111000010010100 |
3 | 1010212222201002011 |
4 | 122122233002110 |
5 | 1401430403040 |
6 | 111551354004 |
7 | 13661162662 |
oct | 3232570224 |
9 | 1125881064 |
10 | 443216020 |
11 | 208202835 |
12 | 104522904 |
13 | 70a92c00 |
14 | 42c13c32 |
15 | 28d9d3ea |
hex | 1a6af094 |
443216020 has 36 divisors (see below), whose sum is σ = 1007865180. Its totient is φ = 163647744.
The previous prime is 443215987. The next prime is 443216041. The reversal of 443216020 is 20612344.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 40170244 + 403045776 = 6338^2 + 20076^2 .
It is a junction number, because it is equal to n+sod(n) for n = 443215982 and 443216000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62185 + ... + 68944.
It is an arithmetic number, because the mean of its divisors is an integer number (27996255).
Almost surely, 2443216020 is an apocalyptic number.
It is an amenable number.
443216020 is an abundant number, since it is smaller than the sum of its proper divisors (564649160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
443216020 is a wasteful number, since it uses less digits than its factorization.
443216020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131164 (or 131149 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 443216020 is about 21052.6962643743. The cubic root of 443216020 is about 762.4390821170.
Adding to 443216020 its reverse (20612344), we get a palindrome (463828364).
The spelling of 443216020 in words is "four hundred forty-three million, two hundred sixteen thousand, twenty".
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