Base | Representation |
---|---|
bin | 11010001111111… |
… | …11110100010010 |
3 | 120100100022220100 |
4 | 31013333310102 |
5 | 422332401320 |
6 | 33503353230 |
7 | 5312446056 |
oct | 1507776422 |
9 | 510308810 |
10 | 220200210 |
11 | 10332a74a |
12 | 618b2816 |
13 | 3680a8a9 |
14 | 2135dc66 |
15 | 144e9790 |
hex | d1ffd12 |
220200210 has 24 divisors (see below), whose sum is σ = 572520780. Its totient is φ = 58720032.
The previous prime is 220200203. The next prime is 220200241. The reversal of 220200210 is 12002022.
It can be written as a sum of positive squares in 2 ways, for example, as 216001809 + 4198401 = 14697^2 + 2049^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 220200192 and 220200201.
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 11 ways as a sum of consecutive naturals, for example, 1223245 + ... + 1223424.
Almost surely, 2220200210 is an apocalyptic number.
220200210 is an abundant number, since it is smaller than the sum of its proper divisors (352320570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220200210 is a wasteful number, since it uses less digits than its factorization.
220200210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2446682 (or 2446679 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 220200210 is about 14839.1445171209. The cubic root of 220200210 is about 603.8641438960.
Adding to 220200210 its reverse (12002022), we get a palindrome (232202232).
The spelling of 220200210 in words is "two hundred twenty million, two hundred thousand, two hundred ten".
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