Base | Representation |
---|---|
bin | 101100100011… |
… | …100111100001 |
3 | 210222102020221 |
4 | 230203213201 |
5 | 10442231400 |
6 | 1054203041 |
7 | 201165064 |
oct | 54434741 |
9 | 23872227 |
10 | 11680225 |
11 | 6658587 |
12 | 3ab3481 |
13 | 255c59b |
14 | 17a08db |
15 | 105ac1a |
hex | b239e1 |
11680225 has 6 divisors (see below), whose sum is σ = 14483510. Its totient is φ = 9344160.
The previous prime is 11680213. The next prime is 11680237. The reversal of 11680225 is 52208611.
11680225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (11680213) and next prime (11680237).
It can be written as a sum of positive squares in 3 ways, for example, as 2298256 + 9381969 = 1516^2 + 3063^2 .
It is not a de Polignac number, because 11680225 - 215 = 11647457 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 467209 = 11680225 / (1 + 1 + 6 + 8 + 0 + 2 + 2 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 11680225.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233580 + ... + 233629.
Almost surely, 211680225 is an apocalyptic number.
It is an amenable number.
11680225 is a deficient number, since it is larger than the sum of its proper divisors (2803285).
11680225 is an equidigital number, since it uses as much as digits as its factorization.
11680225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 467219 (or 467214 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 11680225 is about 3417.6344157911. The cubic root of 11680225 is about 226.8908957082.
Adding to 11680225 its reverse (52208611), we get a palindrome (63888836).
The spelling of 11680225 in words is "eleven million, six hundred eighty thousand, two hundred twenty-five".
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