Base | Representation |
---|---|
bin | 11000000101010… |
… | …10000100101101 |
3 | 112002010211202020 |
4 | 30002222010231 |
5 | 403204220323 |
6 | 32014020353 |
7 | 5002111650 |
oct | 1402520455 |
9 | 462124666 |
10 | 202023213 |
11 | a4045037 |
12 | 577a76b9 |
13 | 32b15182 |
14 | 1cb8b897 |
15 | 12b08ae3 |
hex | c0aa12d |
202023213 has 8 divisors (see below), whose sum is σ = 307844928. Its totient is φ = 115441824.
The previous prime is 202023209. The next prime is 202023247. The reversal of 202023213 is 312320202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 202023213 - 22 = 202023209 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 202023192 and 202023201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202023253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810056 + ... + 4810097.
It is an arithmetic number, because the mean of its divisors is an integer number (38480616).
Almost surely, 2202023213 is an apocalyptic number.
It is an amenable number.
202023213 is a deficient number, since it is larger than the sum of its proper divisors (105821715).
202023213 is an equidigital number, since it uses as much as digits as its factorization.
202023213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9620163.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 202023213 is about 14213.4870105826. The cubic root of 202023213 is about 586.7689054700.
Adding to 202023213 its reverse (312320202), we get a palindrome (514343415).
The spelling of 202023213 in words is "two hundred two million, twenty-three thousand, two hundred thirteen".
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