Base | Representation |
---|---|
bin | 11001010001011… |
… | …10100110101100 |
3 | 112202220212210000 |
4 | 30220232212230 |
5 | 413233100434 |
6 | 33011544300 |
7 | 5152666155 |
oct | 1450564654 |
9 | 482825700 |
10 | 212003244 |
11 | a97411a2 |
12 | 5abbb090 |
13 | 34bca90b |
14 | 2022892c |
15 | 1392ab99 |
hex | ca2e9ac |
212003244 has 60 divisors (see below), whose sum is σ = 567144424. Its totient is φ = 69019776.
The previous prime is 212003219. The next prime is 212003261. The reversal of 212003244 is 442300212.
212003244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6324 + ... + 21540.
Almost surely, 2212003244 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212003244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283572212).
212003244 is an abundant number, since it is smaller than the sum of its proper divisors (355141180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212003244 is a wasteful number, since it uses less digits than its factorization.
212003244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15276 (or 15265 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 212003244 is about 14560.3311775522. The cubic root of 212003244 is about 596.2762371272.
Adding to 212003244 its reverse (442300212), we get a palindrome (654303456).
The spelling of 212003244 in words is "two hundred twelve million, three thousand, two hundred forty-four".
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