Base | Representation |
---|---|
bin | 11001001100011… |
… | …01010001010111 |
3 | 112201200022022011 |
4 | 30212031101113 |
5 | 413100424143 |
6 | 32545445051 |
7 | 5144244445 |
oct | 1446152127 |
9 | 481608264 |
10 | 211342423 |
11 | a932a766 |
12 | 5a940787 |
13 | 34a28bb6 |
14 | 200d5b95 |
15 | 13849e9d |
hex | c98d457 |
211342423 has 4 divisors (see below), whose sum is σ = 220531248. Its totient is φ = 202153600.
The previous prime is 211342403. The next prime is 211342447. The reversal of 211342423 is 324243112.
211342423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-211342423 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 211342394 and 211342403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211342403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4594378 + ... + 4594423.
It is an arithmetic number, because the mean of its divisors is an integer number (55132812).
Almost surely, 2211342423 is an apocalyptic number.
211342423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
211342423 is a deficient number, since it is larger than the sum of its proper divisors (9188825).
211342423 is an equidigital number, since it uses as much as digits as its factorization.
211342423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9188824.
The product of its digits is 1152, while the sum is 22.
The square root of 211342423 is about 14537.6209539250. The cubic root of 211342423 is about 595.6560548355.
Adding to 211342423 its reverse (324243112), we get a palindrome (535585535).
The spelling of 211342423 in words is "two hundred eleven million, three hundred forty-two thousand, four hundred twenty-three".
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