Base | Representation |
---|---|
bin | 101100011110… |
… | …111011111111 |
3 | 210221102221221 |
4 | 230132323333 |
5 | 10441123210 |
6 | 1053534211 |
7 | 201055150 |
oct | 54367377 |
9 | 23842857 |
10 | 11661055 |
11 | 664513a |
12 | 3aa4367 |
13 | 2553943 |
14 | 1797927 |
15 | 10551da |
hex | b1eeff |
11661055 has 16 divisors (see below), whose sum is σ = 16266240. Its totient is φ = 7859232.
The previous prime is 11661037. The next prime is 11661059. The reversal of 11661055 is 55016611.
It is a cyclic number.
It is not a de Polignac number, because 11661055 - 217 = 11529983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11661059) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759 + ... + 4888.
It is an arithmetic number, because the mean of its divisors is an integer number (1016640).
Almost surely, 211661055 is an apocalyptic number.
11661055 is a deficient number, since it is larger than the sum of its proper divisors (4605185).
11661055 is an equidigital number, since it uses as much as digits as its factorization.
11661055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5718.
The product of its (nonzero) digits is 900, while the sum is 25.
The square root of 11661055 is about 3414.8286926287. The cubic root of 11661055 is about 226.7667006075.
Adding to 11661055 its reverse (55016611), we get a palindrome (66677666).
The spelling of 11661055 in words is "eleven million, six hundred sixty-one thousand, fifty-five".
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