Base | Representation |
---|---|
bin | 11001010001011… |
… | …01111001010111 |
3 | 112202220201210120 |
4 | 30220231321113 |
5 | 413233002333 |
6 | 33011523023 |
7 | 5152654542 |
oct | 1450557127 |
9 | 482821716 |
10 | 212000343 |
11 | a9739aa5 |
12 | 5abb9473 |
13 | 34bc94b9 |
14 | 20227859 |
15 | 13929db3 |
hex | ca2de57 |
212000343 has 16 divisors (see below), whose sum is σ = 293817216. Its totient is φ = 135851040.
The previous prime is 212000339. The next prime is 212000357. The reversal of 212000343 is 343000212.
It is not a de Polignac number, because 212000343 - 22 = 212000339 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212000323) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293 + ... + 20718.
It is an arithmetic number, because the mean of its divisors is an integer number (18363576).
Almost surely, 2212000343 is an apocalyptic number.
212000343 is a deficient number, since it is larger than the sum of its proper divisors (81816873).
212000343 is a wasteful number, since it uses less digits than its factorization.
212000343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23134.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 212000343 is about 14560.2315572246. The cubic root of 212000343 is about 596.2735173492.
Adding to 212000343 its reverse (343000212), we get a palindrome (555000555).
The spelling of 212000343 in words is "two hundred twelve million, three hundred forty-three", and thus it is an aban number.
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