Base | Representation |
---|---|
bin | 11001010100110… |
… | …10010000110100 |
3 | 112210202021200011 |
4 | 30222122100310 |
5 | 413341203322 |
6 | 33025230004 |
7 | 5156513611 |
oct | 1452322064 |
9 | 483667604 |
10 | 212444212 |
11 | a9a12532 |
12 | 5b192304 |
13 | 35023546 |
14 | 20301508 |
15 | 139b6677 |
hex | ca9a434 |
212444212 has 24 divisors (see below), whose sum is σ = 383225472. Its totient is φ = 103000800.
The previous prime is 212444179. The next prime is 212444213.
212444212 is nontrivially palindromic in base 10.
212444212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212444213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11193 + ... + 23455.
It is an arithmetic number, because the mean of its divisors is an integer number (15967728).
Almost surely, 2212444212 is an apocalyptic number.
It is an amenable number.
212444212 is a deficient number, since it is larger than the sum of its proper divisors (170781260).
212444212 is a wasteful number, since it uses less digits than its factorization.
212444212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12399 (or 12397 counting only the distinct ones).
The product of its digits is 1024, while the sum is 22.
The square root of 212444212 is about 14575.4660988937. The cubic root of 212444212 is about 596.6893701850.
The spelling of 212444212 in words is "two hundred twelve million, four hundred forty-four thousand, two hundred twelve".
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