Base | Representation |
---|---|
bin | 11001100101111… |
… | …00100011100001 |
3 | 112221221222002201 |
4 | 30302330203201 |
5 | 414424304300 |
6 | 33145213201 |
7 | 5214523351 |
oct | 1462744341 |
9 | 487858081 |
10 | 214681825 |
11 | 1002006a6 |
12 | 5ba91201 |
13 | 35627b87 |
14 | 20724b61 |
15 | 13ca966a |
hex | ccbc8e1 |
214681825 has 12 divisors (see below), whose sum is σ = 270719280. Its totient is φ = 168833360.
The previous prime is 214681823. The next prime is 214681829. The reversal of 214681825 is 528186412.
214681825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 214681825 - 21 = 214681823 is a prime.
It is not an unprimeable number, because it can be changed into a prime (214681823) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71299 + ... + 74248.
It is an arithmetic number, because the mean of its divisors is an integer number (22559940).
Almost surely, 2214681825 is an apocalyptic number.
214681825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
214681825 is a deficient number, since it is larger than the sum of its proper divisors (56037455).
214681825 is a wasteful number, since it uses less digits than its factorization.
214681825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145616 (or 145611 counting only the distinct ones).
The product of its digits is 30720, while the sum is 37.
The square root of 214681825 is about 14652.0246041289. The cubic root of 214681825 is about 598.7769763082.
The spelling of 214681825 in words is "two hundred fourteen million, six hundred eighty-one thousand, eight hundred twenty-five".
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