Base | Representation |
---|---|
bin | 11001001100110… |
… | …11011000010010 |
3 | 112201210020120102 |
4 | 30212123120102 |
5 | 413104301320 |
6 | 32551012402 |
7 | 5144605100 |
oct | 1446333022 |
9 | 481706512 |
10 | 211400210 |
11 | a936a11a |
12 | 5a96a102 |
13 | 34a492a8 |
14 | 2010cc70 |
15 | 1385c175 |
hex | c99b612 |
211400210 has 24 divisors (see below), whose sum is σ = 442647180. Its totient is φ = 72479904.
The previous prime is 211400183. The next prime is 211400237. The reversal of 211400210 is 12004112.
211400210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (211400183) and next prime (211400237).
It can be written as a sum of positive squares in 2 ways, for example, as 211382521 + 17689 = 14539^2 + 133^2 .
It is a junction number, because it is equal to n+sod(n) for n = 211400191 and 211400200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215225 + ... + 216204.
Almost surely, 2211400210 is an apocalyptic number.
211400210 is an abundant number, since it is smaller than the sum of its proper divisors (231246970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211400210 is a wasteful number, since it uses less digits than its factorization.
211400210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 431450 (or 431443 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 211400210 is about 14539.6083165951. The cubic root of 211400210 is about 595.7103396295.
Adding to 211400210 its reverse (12004112), we get a palindrome (223404322).
The spelling of 211400210 in words is "two hundred eleven million, four hundred thousand, two hundred ten".
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