Base | Representation |
---|---|
bin | 11001100010011… |
… | …10011000100101 |
3 | 112221010001002101 |
4 | 30301032120211 |
5 | 414320334230 |
6 | 33131412101 |
7 | 5210633623 |
oct | 1461163045 |
9 | 487101071 |
10 | 214230565 |
11 | aaa2265a |
12 | 5b8b4031 |
13 | 354ca663 |
14 | 20648513 |
15 | 13c1aaca |
hex | cc4e625 |
214230565 has 8 divisors (see below), whose sum is σ = 259965720. Its totient is φ = 169458432.
The previous prime is 214230517. The next prime is 214230581. The reversal of 214230565 is 565032412.
It can be written as a sum of positive squares in 4 ways, for example, as 16378209 + 197852356 = 4047^2 + 14066^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 214230565 - 27 = 214230437 is a prime.
It is a congruent number.
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, 240264 + ... + 241153.
It is an arithmetic number, because the mean of its divisors is an integer number (32495715).
Almost surely, 2214230565 is an apocalyptic number.
It is an amenable number.
214230565 is a deficient number, since it is larger than the sum of its proper divisors (45735155).
214230565 is an equidigital number, since it uses as much as digits as its factorization.
214230565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 481511.
The product of its (nonzero) digits is 7200, while the sum is 28.
The square root of 214230565 is about 14636.6172662948. The cubic root of 214230565 is about 598.3571400502.
Adding to 214230565 its reverse (565032412), we get a palindrome (779262977).
The spelling of 214230565 in words is "two hundred fourteen million, two hundred thirty thousand, five hundred sixty-five".
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