Base | Representation |
---|---|
bin | 111110010100101100101 |
3 | 10211202101112 |
4 | 13302211211 |
5 | 1010322323 |
6 | 111434405 |
7 | 23233655 |
oct | 7624545 |
9 | 3752345 |
10 | 2042213 |
11 | 1175388 |
12 | 825a05 |
13 | 566714 |
14 | 3b2365 |
15 | 2a5178 |
hex | 1f2965 |
2042213 has 2 divisors, whose sum is σ = 2042214. Its totient is φ = 2042212.
The previous prime is 2042207. The next prime is 2042221. The reversal of 2042213 is 3122402.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1555009 + 487204 = 1247^2 + 698^2 .
It is a cyclic number.
It is not a de Polignac number, because 2042213 - 26 = 2042149 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2042203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021106 + 1021107.
It is an arithmetic number, because the mean of its divisors is an integer number (1021107).
22042213 is an apocalyptic number.
It is an amenable number.
2042213 is a deficient number, since it is larger than the sum of its proper divisors (1).
2042213 is an equidigital number, since it uses as much as digits as its factorization.
2042213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 2042213 is about 1429.0601806782. The cubic root of 2042213 is about 126.8723581677.
Adding to 2042213 its reverse (3122402), we get a palindrome (5164615).
The spelling of 2042213 in words is "two million, forty-two thousand, two hundred thirteen".
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