Base | Representation |
---|---|
bin | 111000100111… |
… | …101000001101 |
3 | 1000221001220211 |
4 | 320213220031 |
5 | 12244424011 |
6 | 1250042421 |
7 | 240105151 |
oct | 70475015 |
9 | 30831824 |
10 | 14842381 |
11 | 8418334 |
12 | 4b79411 |
13 | 30c8998 |
14 | 1d85061 |
15 | 1482b21 |
hex | e27a0d |
14842381 has 2 divisors, whose sum is σ = 14842382. Its totient is φ = 14842380.
The previous prime is 14842367. The next prime is 14842409. The reversal of 14842381 is 18324841.
14842381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14822500 + 19881 = 3850^2 + 141^2 .
It is a cyclic number.
It is not a de Polignac number, because 14842381 - 25 = 14842349 is a prime.
It is a super-2 number, since 2×148423812 = 440592547498322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14842361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7421190 + 7421191.
It is an arithmetic number, because the mean of its divisors is an integer number (7421191).
Almost surely, 214842381 is an apocalyptic number.
It is an amenable number.
14842381 is a deficient number, since it is larger than the sum of its proper divisors (1).
14842381 is an equidigital number, since it uses as much as digits as its factorization.
14842381 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6144, while the sum is 31.
The square root of 14842381 is about 3852.5810828586. The cubic root of 14842381 is about 245.7543375664.
Adding to 14842381 its product of digits (6144), we get a triangular number (14848525 = T5449).
The spelling of 14842381 in words is "fourteen million, eight hundred forty-two thousand, three hundred eighty-one".
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