Base | Representation |
---|---|
bin | 11001001010000… |
… | …01100011111000 |
3 | 112201002112220120 |
4 | 30211001203320 |
5 | 413011013222 |
6 | 32535053240 |
7 | 5141513361 |
oct | 1445014370 |
9 | 481075816 |
10 | 211032312 |
11 | a9138777 |
12 | 5a811220 |
13 | 3494a9ba |
14 | 20054b68 |
15 | 137d815c |
hex | c9418f8 |
211032312 has 64 divisors (see below), whose sum is σ = 550081920. Its totient is φ = 67402368.
The previous prime is 211032301. The next prime is 211032343. The reversal of 211032312 is 213230112.
It is a junction number, because it is equal to n+sod(n) for n = 211032291 and 211032300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57723 + ... + 61269.
It is an arithmetic number, because the mean of its divisors is an integer number (8595030).
Almost surely, 2211032312 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 211032312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275040960).
211032312 is an abundant number, since it is smaller than the sum of its proper divisors (339049608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211032312 is a wasteful number, since it uses less digits than its factorization.
211032312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3660 (or 3656 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 211032312 is about 14526.9512286646. The cubic root of 211032312 is about 595.3645690804.
Adding to 211032312 its reverse (213230112), we get a palindrome (424262424).
The spelling of 211032312 in words is "two hundred eleven million, thirty-two thousand, three hundred twelve".
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