Base | Representation |
---|---|
bin | 11001001010000… |
… | …01110010011011 |
3 | 112201002121012001 |
4 | 30211001302123 |
5 | 413011030433 |
6 | 32535101431 |
7 | 5141516161 |
oct | 1445016233 |
9 | 481077161 |
10 | 211033243 |
11 | a9139443 |
12 | 5a811877 |
13 | 3494b255 |
14 | 20055231 |
15 | 137d857d |
hex | c941c9b |
211033243 has 8 divisors (see below), whose sum is σ = 215889408. Its totient is φ = 206192424.
The previous prime is 211033241. The next prime is 211033259. The reversal of 211033243 is 342330112.
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 211033243 - 21 = 211033241 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 211033243.
It is not an unprimeable number, because it can be changed into a prime (211033241) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 26730 + ... + 33712.
It is an arithmetic number, because the mean of its divisors is an integer number (26986176).
Almost surely, 2211033243 is an apocalyptic number.
211033243 is a deficient number, since it is larger than the sum of its proper divisors (4856165).
211033243 is an equidigital number, since it uses as much as digits as its factorization.
211033243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7673.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 211033243 is about 14526.9832725174. The cubic root of 211033243 is about 595.3654445919.
Adding to 211033243 its reverse (342330112), we get a palindrome (553363355).
It can be divided in two parts, 2110 and 33243, that added together give a palindrome (35353).
The spelling of 211033243 in words is "two hundred eleven million, thirty-three thousand, two hundred forty-three".
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