Base | Representation |
---|---|
bin | 11001010001011… |
… | …10000111011100 |
3 | 112202220210000221 |
4 | 30220232013130 |
5 | 413233014434 |
6 | 33011531124 |
7 | 5152660300 |
oct | 1450560734 |
9 | 482823027 |
10 | 212001244 |
11 | a973a744 |
12 | 5abb9aa4 |
13 | 34bc9a30 |
14 | 20227d00 |
15 | 1392a2b4 |
hex | ca2e1dc |
212001244 has 36 divisors (see below), whose sum is σ = 464777544. Its totient is φ = 83867616.
The previous prime is 212001239. The next prime is 212001253. The reversal of 212001244 is 442100212.
212001244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39054 + ... + 44149.
Almost surely, 2212001244 is an apocalyptic number.
It is an amenable number.
212001244 is an abundant number, since it is smaller than the sum of its proper divisors (252776300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212001244 is a wasteful number, since it uses less digits than its factorization.
212001244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83234 (or 83225 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 212001244 is about 14560.2624976338. The cubic root of 212001244 is about 596.2743620675.
Adding to 212001244 its reverse (442100212), we get a palindrome (654101456).
The spelling of 212001244 in words is "two hundred twelve million, one thousand, two hundred forty-four".
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