Base | Representation |
---|---|
bin | 11001010011111… |
… | …10101011101001 |
3 | 112210112112201001 |
4 | 30221332223221 |
5 | 413324044431 |
6 | 33022555001 |
7 | 5155533343 |
oct | 1451765351 |
9 | 483475631 |
10 | 212331241 |
11 | a9945671 |
12 | 5b138a61 |
13 | 34cb3cb5 |
14 | 202b2293 |
15 | 13992e61 |
hex | ca7eae9 |
212331241 has 8 divisors (see below), whose sum is σ = 228178080. Its totient is φ = 196857408.
The previous prime is 212331233. The next prime is 212331247. The reversal of 212331241 is 142133212.
It is a happy number.
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 212331241 - 23 = 212331233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212331247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92071 + ... + 94348.
It is an arithmetic number, because the mean of its divisors is an integer number (28522260).
Almost surely, 2212331241 is an apocalyptic number.
It is an amenable number.
212331241 is a deficient number, since it is larger than the sum of its proper divisors (15846839).
212331241 is a wasteful number, since it uses less digits than its factorization.
212331241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186503.
The product of its digits is 288, while the sum is 19.
The square root of 212331241 is about 14571.5902014845. The cubic root of 212331241 is about 596.5835846923.
Adding to 212331241 its reverse (142133212), we get a palindrome (354464453).
The spelling of 212331241 in words is "two hundred twelve million, three hundred thirty-one thousand, two hundred forty-one".
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