Base | Representation |
---|---|
bin | 11001001010101… |
… | …11000110101000 |
3 | 112201021000221201 |
4 | 30211113012220 |
5 | 413021324202 |
6 | 32541013544 |
7 | 5142331546 |
oct | 1445270650 |
9 | 481230851 |
10 | 211120552 |
11 | a9198aa5 |
12 | 5a8542b4 |
13 | 3497bc06 |
14 | 20078d96 |
15 | 13804387 |
hex | c9571a8 |
211120552 has 32 divisors (see below), whose sum is σ = 441201600. Its totient is φ = 94120704.
The previous prime is 211120537. The next prime is 211120589. The reversal of 211120552 is 255021112.
211120552 is digitally balanced in base 3, 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 (19).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38268 + ... + 43435.
It is an arithmetic number, because the mean of its divisors is an integer number (13787550).
Almost surely, 2211120552 is an apocalyptic number.
It is an amenable number.
211120552 is an abundant number, since it is smaller than the sum of its proper divisors (230081048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211120552 is a wasteful number, since it uses less digits than its factorization.
211120552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81745 (or 81741 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 211120552 is about 14529.9880247714. The cubic root of 211120552 is about 595.4475384427.
Adding to 211120552 its reverse (255021112), we get a palindrome (466141664).
The spelling of 211120552 in words is "two hundred eleven million, one hundred twenty thousand, five hundred fifty-two".
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