Base | Representation |
---|---|
bin | 11010001110101… |
… | …11000010111100 |
3 | 120100000211211020 |
4 | 31013113002330 |
5 | 422312030322 |
6 | 33500024140 |
7 | 5311152150 |
oct | 1507270274 |
9 | 510024736 |
10 | 220033212 |
11 | 103226233 |
12 | 61832050 |
13 | 3677c889 |
14 | 21319060 |
15 | 144b505c |
hex | d1d70bc |
220033212 has 24 divisors (see below), whose sum is σ = 586755456. Its totient is φ = 62866608.
The previous prime is 220033181. The next prime is 220033213. The reversal of 220033212 is 212330022.
It is a super-2 number, since 2×2200332122 = 96829228766073888, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 220033191 and 220033200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220033213) 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, 1309638 + ... + 1309805.
It is an arithmetic number, because the mean of its divisors is an integer number (24448144).
Almost surely, 2220033212 is an apocalyptic number.
It is an amenable number.
220033212 is an abundant number, since it is smaller than the sum of its proper divisors (366722244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220033212 is a wasteful number, since it uses less digits than its factorization.
220033212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2619457 (or 2619455 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 220033212 is about 14833.5165082323. The cubic root of 220033212 is about 603.7114501146.
Adding to 220033212 its reverse (212330022), we get a palindrome (432363234).
The spelling of 220033212 in words is "two hundred twenty million, thirty-three thousand, two hundred twelve".
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