Base | Representation |
---|---|
bin | 11001100111111… |
… | …11100011001111 |
3 | 112222110220112012 |
4 | 30303333203033 |
5 | 420012044424 |
6 | 33155131435 |
7 | 5220045401 |
oct | 1463774317 |
9 | 488426465 |
10 | 214956239 |
11 | 100378893 |
12 | 5bba3b7b |
13 | 356c2a54 |
14 | 20796b71 |
15 | 13d10b0e |
hex | ccff8cf |
214956239 has 4 divisors (see below), whose sum is σ = 219529824. Its totient is φ = 210382656.
The previous prime is 214956223. The next prime is 214956257. The reversal of 214956239 is 932659412.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 214956239 - 24 = 214956223 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 214956196 and 214956205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214958239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286722 + ... + 2286815.
It is an arithmetic number, because the mean of its divisors is an integer number (54882456).
Almost surely, 2214956239 is an apocalyptic number.
214956239 is a deficient number, since it is larger than the sum of its proper divisors (4573585).
214956239 is an equidigital number, since it uses as much as digits as its factorization.
214956239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4573584.
The product of its digits is 116640, while the sum is 41.
The square root of 214956239 is about 14661.3859849606. The cubic root of 214956239 is about 599.0319937426.
The spelling of 214956239 in words is "two hundred fourteen million, nine hundred fifty-six thousand, two hundred thirty-nine".
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