Base | Representation |
---|---|
bin | 11001011110000… |
… | …01010101101001 |
3 | 112220000200121012 |
4 | 30233001111221 |
5 | 414143342331 |
6 | 33111153305 |
7 | 5203006403 |
oct | 1457012551 |
9 | 486020535 |
10 | 213652841 |
11 | aa6685a6 |
12 | 5b675835 |
13 | 353576cc |
14 | 20537b73 |
15 | 13b5482b |
hex | cbc1569 |
213652841 has 2 divisors, whose sum is σ = 213652842. Its totient is φ = 213652840.
The previous prime is 213652811. The next prime is 213652847. The reversal of 213652841 is 148256312.
213652841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 153264400 + 60388441 = 12380^2 + 7771^2 .
It is a cyclic number.
It is not a de Polignac number, because 213652841 - 210 = 213651817 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 213652798 and 213652807.
It is not a weakly prime, because it can be changed into another prime (213652847) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106826420 + 106826421.
It is an arithmetic number, because the mean of its divisors is an integer number (106826421).
Almost surely, 2213652841 is an apocalyptic number.
It is an amenable number.
213652841 is a deficient number, since it is larger than the sum of its proper divisors (1).
213652841 is an equidigital number, since it uses as much as digits as its factorization.
213652841 is an evil number, because the sum of its binary digits is even.
The product of its digits is 11520, while the sum is 32.
The square root of 213652841 is about 14616.8683718504. The cubic root of 213652841 is about 597.8187847385.
The spelling of 213652841 in words is "two hundred thirteen million, six hundred fifty-two thousand, eight hundred forty-one".
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