Base | Representation |
---|---|
bin | 110101110000… |
… | …010010100111 |
3 | 222111220210212 |
4 | 311300102213 |
5 | 12101411211 |
6 | 1222010035 |
7 | 230526614 |
oct | 65602247 |
9 | 28456725 |
10 | 14091431 |
11 | 7a55112 |
12 | 487691b |
13 | 2bc4c33 |
14 | 1c2b50b |
15 | 138538b |
hex | d704a7 |
14091431 has 2 divisors, whose sum is σ = 14091432. Its totient is φ = 14091430.
The previous prime is 14091359. The next prime is 14091443. The reversal of 14091431 is 13419041.
14091431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is an emirp because it is prime and its reverse (13419041) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14091431 - 222 = 9897127 is a prime.
It is a super-2 number, since 2×140914312 = 397136855255522, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 14091397 and 14091406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14091631) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7045715 + 7045716.
It is an arithmetic number, because the mean of its divisors is an integer number (7045716).
Almost surely, 214091431 is an apocalyptic number.
14091431 is a deficient number, since it is larger than the sum of its proper divisors (1).
14091431 is an equidigital number, since it uses as much as digits as its factorization.
14091431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 14091431 is about 3753.8554846984. The cubic root of 14091431 is about 241.5377591285.
The spelling of 14091431 in words is "fourteen million, ninety-one thousand, four hundred thirty-one".
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