Base | Representation |
---|---|
bin | 11001011001001… |
… | …11011000010110 |
3 | 112211211122120020 |
4 | 30230213120112 |
5 | 414013202410 |
6 | 33045450010 |
7 | 5164442031 |
oct | 1454473026 |
9 | 484748506 |
10 | 213022230 |
11 | aa277833 |
12 | 5b410906 |
13 | 35196675 |
14 | 20412018 |
15 | 13a7ca70 |
hex | cb27616 |
213022230 has 32 divisors (see below), whose sum is σ = 511660800. Its totient is φ = 56760672.
The previous prime is 213022219. The next prime is 213022253. The reversal of 213022230 is 32220312.
213022230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54481 + ... + 58259.
It is an arithmetic number, because the mean of its divisors is an integer number (15989400).
Almost surely, 2213022230 is an apocalyptic number.
213022230 is an abundant number, since it is smaller than the sum of its proper divisors (298638570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213022230 is a wasteful number, since it uses less digits than its factorization.
213022230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5668.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 213022230 is about 14595.2810867074. The cubic root of 213022230 is about 597.2300374131.
Adding to 213022230 its reverse (32220312), we get a palindrome (245242542).
It can be divided in two parts, 21302 and 2230, that added together give a palindrome (23532).
The spelling of 213022230 in words is "two hundred thirteen million, twenty-two thousand, two hundred thirty".
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