Base | Representation |
---|---|
bin | 110110111001… |
… | …100010010001 |
3 | 1000002011100100 |
4 | 312321202101 |
5 | 12141011231 |
6 | 1232243013 |
7 | 233216361 |
oct | 66714221 |
9 | 30064310 |
10 | 14391441 |
11 | 813a559 |
12 | 49a0469 |
13 | 2c9b65c |
14 | 1ca89a1 |
15 | 13e41e6 |
hex | db9891 |
14391441 has 12 divisors (see below), whose sum is σ = 20895732. Its totient is φ = 9544416.
The previous prime is 14391437. The next prime is 14391449. The reversal of 14391441 is 14419341.
14391441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 13660416 + 731025 = 3696^2 + 855^2 .
It is not a de Polignac number, because 14391441 - 22 = 14391437 is a prime.
It is a super-2 number, since 2×143914412 = 414227148112962, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (14391449) 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, 2286 + ... + 5831.
It is an arithmetic number, because the mean of its divisors is an integer number (1741311).
Almost surely, 214391441 is an apocalyptic number.
It is an amenable number.
14391441 is a deficient number, since it is larger than the sum of its proper divisors (6504291).
14391441 is a wasteful number, since it uses less digits than its factorization.
14391441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8320 (or 8317 counting only the distinct ones).
The product of its digits is 1728, while the sum is 27.
The square root of 14391441 is about 3793.6052773055. The cubic root of 14391441 is about 243.2398688191.
The spelling of 14391441 in words is "fourteen million, three hundred ninety-one thousand, four hundred forty-one".
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