Base | Representation |
---|---|
bin | 11001011010110… |
… | …10000111011001 |
3 | 112212020012121221 |
4 | 30231122013121 |
5 | 414041330131 |
6 | 33054132041 |
7 | 5166265633 |
oct | 1455320731 |
9 | 485205557 |
10 | 213230041 |
11 | aa3a9982 |
12 | 5b4b1021 |
13 | 3523a12b |
14 | 20467a53 |
15 | 13abe411 |
hex | cb5a1d9 |
213230041 has 2 divisors, whose sum is σ = 213230042. Its totient is φ = 213230040.
The previous prime is 213230009. The next prime is 213230047. The reversal of 213230041 is 140032312.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 197262025 + 15968016 = 14045^2 + 3996^2 .
It is a cyclic number.
It is not a de Polignac number, because 213230041 - 25 = 213230009 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 213229997 and 213230024.
It is not a weakly prime, because it can be changed into another prime (213230047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106615020 + 106615021.
It is an arithmetic number, because the mean of its divisors is an integer number (106615021).
Almost surely, 2213230041 is an apocalyptic number.
It is an amenable number.
213230041 is a deficient number, since it is larger than the sum of its proper divisors (1).
213230041 is an equidigital number, since it uses as much as digits as its factorization.
213230041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 213230041 is about 14602.3984673751. The cubic root of 213230041 is about 597.4241808990.
Adding to 213230041 its reverse (140032312), we get a palindrome (353262353).
The spelling of 213230041 in words is "two hundred thirteen million, two hundred thirty thousand, forty-one".
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