Base | Representation |
---|---|
bin | 11001000011110… |
… | …11010010110101 |
3 | 112122120021220211 |
4 | 30201323102311 |
5 | 412304021323 |
6 | 32505425421 |
7 | 5131561630 |
oct | 1441732265 |
9 | 478507824 |
10 | 210220213 |
11 | a8733615 |
12 | 5a49b271 |
13 | 34725178 |
14 | 1dcc2c17 |
15 | 136c770d |
hex | c87b4b5 |
210220213 has 8 divisors (see below), whose sum is σ = 244190720. Its totient is φ = 177234480.
The previous prime is 210220193. The next prime is 210220229. The reversal of 210220213 is 312022012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 210220213 - 217 = 210089141 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 210220193 and 210220202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210223213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245733 + ... + 246586.
It is an arithmetic number, because the mean of its divisors is an integer number (30523840).
Almost surely, 2210220213 is an apocalyptic number.
It is an amenable number.
210220213 is a deficient number, since it is larger than the sum of its proper divisors (33970507).
210220213 is an equidigital number, since it uses as much as digits as its factorization.
210220213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 492387.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 210220213 is about 14498.9728256867. The cubic root of 210220213 is about 594.5998891846.
Adding to 210220213 its reverse (312022012), we get a palindrome (522242225).
The spelling of 210220213 in words is "two hundred ten million, two hundred twenty thousand, two hundred thirteen".
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