Base | Representation |
---|---|
bin | 11010001110101… |
… | …00010111011000 |
3 | 120100000021202120 |
4 | 31013110113120 |
5 | 422311202412 |
6 | 33455501240 |
7 | 5311105143 |
oct | 1507242730 |
9 | 510007676 |
10 | 220022232 |
11 | 103218a61 |
12 | 61827820 |
13 | 36777891 |
14 | 2131505a |
15 | 144b1b8c |
hex | d1d45d8 |
220022232 has 32 divisors (see below), whose sum is σ = 573972480. Its totient is φ = 70151840.
The previous prime is 220022207. The next prime is 220022233. The reversal of 220022232 is 232220022.
220022232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220022233) 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, 198744 + ... + 199847.
It is an arithmetic number, because the mean of its divisors is an integer number (17936640).
Almost surely, 2220022232 is an apocalyptic number.
It is an amenable number.
220022232 is an abundant number, since it is smaller than the sum of its proper divisors (353950248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220022232 is a wasteful number, since it uses less digits than its factorization.
220022232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398623 (or 398619 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 220022232 is about 14833.1463958258. The cubic root of 220022232 is about 603.7014079003.
Adding to 220022232 its reverse (232220022), we get a palindrome (452242254).
The spelling of 220022232 in words is "two hundred twenty million, twenty-two thousand, two hundred thirty-two".
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