Base | Representation |
---|---|
bin | 101100010000… |
… | …0000111010101 |
3 | 1121122200201011 |
4 | 1120200013111 |
5 | 21414401323 |
6 | 2145132221 |
7 | 401125051 |
oct | 130400725 |
9 | 47580634 |
10 | 23200213 |
11 | 12106733 |
12 | 792a071 |
13 | 4a63c4a |
14 | 311cc61 |
15 | 208420d |
hex | 16201d5 |
23200213 has 2 divisors, whose sum is σ = 23200214. Its totient is φ = 23200212.
The previous prime is 23200207. The next prime is 23200237. The reversal of 23200213 is 31200232.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21003889 + 2196324 = 4583^2 + 1482^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23200213 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23200193 and 23200202.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23206213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600106 + 11600107.
It is an arithmetic number, because the mean of its divisors is an integer number (11600107).
Almost surely, 223200213 is an apocalyptic number.
It is an amenable number.
23200213 is a deficient number, since it is larger than the sum of its proper divisors (1).
23200213 is an equidigital number, since it uses as much as digits as its factorization.
23200213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 23200213 is about 4816.6599423252. The cubic root of 23200213 is about 285.2095022626.
Adding to 23200213 its reverse (31200232), we get a palindrome (54400445).
The spelling of 23200213 in words is "twenty-three million, two hundred thousand, two hundred thirteen".
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