Base | Representation |
---|---|
bin | 11001100010010… |
… | …10111101010010 |
3 | 112221002022211120 |
4 | 30301022331102 |
5 | 414314412110 |
6 | 33131223110 |
7 | 5210544663 |
oct | 1461127522 |
9 | 487068746 |
10 | 214216530 |
11 | aaa13060 |
12 | 5b8a7a96 |
13 | 354c4158 |
14 | 2064336a |
15 | 13c16870 |
hex | cc4af52 |
214216530 has 32 divisors (see below), whose sum is σ = 560858688. Its totient is φ = 51931200.
The previous prime is 214216523. The next prime is 214216531. The reversal of 214216530 is 35612412.
214216530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 214216530.
It is not an unprimeable number, because it can be changed into a prime (214216531) 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, 324241 + ... + 324900.
It is an arithmetic number, because the mean of its divisors is an integer number (17526834).
Almost surely, 2214216530 is an apocalyptic number.
214216530 is an abundant number, since it is smaller than the sum of its proper divisors (346642158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214216530 is a wasteful number, since it uses less digits than its factorization.
214216530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649162.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 214216530 is about 14636.1378102285. The cubic root of 214216530 is about 598.3440729358.
Adding to 214216530 its reverse (35612412), we get a palindrome (249828942).
The spelling of 214216530 in words is "two hundred fourteen million, two hundred sixteen thousand, five hundred thirty".
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