Base | Representation |
---|---|
bin | 110110100101… |
… | …001010111111 |
3 | 222220220221002 |
4 | 312211022333 |
5 | 12130324111 |
6 | 1230400515 |
7 | 232421243 |
oct | 66451277 |
9 | 28826832 |
10 | 14308031 |
11 | 8092921 |
12 | 496013b |
13 | 2c6c6ba |
14 | 1c86423 |
15 | 13c963b |
hex | da52bf |
14308031 has 4 divisors (see below), whose sum is σ = 14550600. Its totient is φ = 14065464.
The previous prime is 14308027. The next prime is 14308043. The reversal of 14308031 is 13080341.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 14308031 - 22 = 14308027 is a prime.
It is a super-2 number, since 2×143080312 = 409439502193922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 14307994 and 14308012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14308061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121196 + ... + 121313.
It is an arithmetic number, because the mean of its divisors is an integer number (3637650).
Almost surely, 214308031 is an apocalyptic number.
14308031 is a deficient number, since it is larger than the sum of its proper divisors (242569).
14308031 is an equidigital number, since it uses as much as digits as its factorization.
14308031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242568.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 14308031 is about 3782.5958018271. The cubic root of 14308031 is about 242.7690343258.
Adding to 14308031 its reverse (13080341), we get a palindrome (27388372).
The spelling of 14308031 in words is "fourteen million, three hundred eight thousand, thirty-one".
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