Base | Representation |
---|---|
bin | 110110011011… |
… | …111100001101 |
3 | 222212000001201 |
4 | 312123330031 |
5 | 12123121341 |
6 | 1225505501 |
7 | 232203100 |
oct | 66337415 |
9 | 28760051 |
10 | 14270221 |
11 | 8067479 |
12 | 4942291 |
13 | 2c58424 |
14 | 1c76737 |
15 | 13bd331 |
hex | d9bf0d |
14270221 has 12 divisors (see below), whose sum is σ = 16702140. Its totient is φ = 12156480.
The previous prime is 14270167. The next prime is 14270231. The reversal of 14270221 is 12207241.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6817321 + 7452900 = 2611^2 + 2730^2 .
It is not a de Polignac number, because 14270221 - 213 = 14262029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14270231) 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, 8065 + ... + 9673.
It is an arithmetic number, because the mean of its divisors is an integer number (1391845).
Almost surely, 214270221 is an apocalyptic number.
It is an amenable number.
14270221 is a deficient number, since it is larger than the sum of its proper divisors (2431919).
14270221 is a wasteful number, since it uses less digits than its factorization.
14270221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1804 (or 1797 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 14270221 is about 3777.5946050364. The cubic root of 14270221 is about 242.5550008096. Note that the first 3 decimals are identical.
Adding to 14270221 its reverse (12207241), we get a palindrome (26477462).
The spelling of 14270221 in words is "fourteen million, two hundred seventy thousand, two hundred twenty-one".
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