Base | Representation |
---|---|
bin | 110101110100… |
… | …110010000111 |
3 | 222112212001100 |
4 | 311310302013 |
5 | 12103003311 |
6 | 1222231143 |
7 | 230634351 |
oct | 65646207 |
9 | 28485040 |
10 | 14109831 |
11 | 7a67a1a |
12 | 48854b3 |
13 | 2c00418 |
14 | 1c340d1 |
15 | 138aa56 |
hex | d74c87 |
14109831 has 6 divisors (see below), whose sum is σ = 20380880. Its totient is φ = 9406548.
The previous prime is 14109829. The next prime is 14109871. The reversal of 14109831 is 13890141.
It is not a de Polignac number, because 14109831 - 21 = 14109829 is a prime.
It is a super-2 number, since 2×141098312 = 398174661697122, 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 = 14109795 and 14109804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14109811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 783871 + ... + 783888.
Almost surely, 214109831 is an apocalyptic number.
14109831 is a deficient number, since it is larger than the sum of its proper divisors (6271049).
14109831 is a wasteful number, since it uses less digits than its factorization.
14109831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1567765 (or 1567762 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 14109831 is about 3756.3054987581. The cubic root of 14109831 is about 241.6428433644.
Adding to 14109831 its reverse (13890141), we get a palindrome (27999972).
The spelling of 14109831 in words is "fourteen million, one hundred nine thousand, eight hundred thirty-one".
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