Base | Representation |
---|---|
bin | 11001011011011… |
… | …01101100010110 |
3 | 112212101021121220 |
4 | 30231231230112 |
5 | 414101411410 |
6 | 33055551210 |
7 | 5200051500 |
oct | 1455555426 |
9 | 485337556 |
10 | 213310230 |
11 | aa454151 |
12 | 5b52b506 |
13 | 35267793 |
14 | 20488d70 |
15 | 13ad8070 |
hex | cb6db16 |
213310230 has 48 divisors (see below), whose sum is σ = 595531440. Its totient is φ = 48756288.
The previous prime is 213310187. The next prime is 213310231. The reversal of 213310230 is 32013312.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213310231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71085 + ... + 74024.
It is an arithmetic number, because the mean of its divisors is an integer number (12406905).
Almost surely, 2213310230 is an apocalyptic number.
213310230 is an abundant number, since it is smaller than the sum of its proper divisors (382221210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213310230 is a wasteful number, since it uses less digits than its factorization.
213310230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145133 (or 145126 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 213310230 is about 14605.1439568393. The cubic root of 213310230 is about 597.4990622232.
Adding to 213310230 its reverse (32013312), we get a palindrome (245323542).
The spelling of 213310230 in words is "two hundred thirteen million, three hundred ten thousand, two hundred thirty".
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