Base | Representation |
---|---|
bin | 110101110011… |
… | …110011100111 |
3 | 222112122120012 |
4 | 311303303213 |
5 | 12102341311 |
6 | 1222200435 |
7 | 230616605 |
oct | 65636347 |
9 | 28478505 |
10 | 14105831 |
11 | 7a64a13 |
12 | 488311b |
13 | 2bcb65c |
14 | 1c32875 |
15 | 138978b |
hex | d73ce7 |
14105831 has 4 divisors (see below), whose sum is σ = 14719152. Its totient is φ = 13492512.
The previous prime is 14105827. The next prime is 14105867. The reversal of 14105831 is 13850141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13850141 = 541 ⋅25601.
It is a cyclic number.
It is not a de Polignac number, because 14105831 - 22 = 14105827 is a prime.
It is a super-2 number, since 2×141058312 = 397948936401122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 613297 = 14105831 / (1 + 4 + 1 + 0 + 5 + 8 + 3 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 14105797 and 14105806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14105881) 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, 306626 + ... + 306671.
It is an arithmetic number, because the mean of its divisors is an integer number (3679788).
Almost surely, 214105831 is an apocalyptic number.
14105831 is a deficient number, since it is larger than the sum of its proper divisors (613321).
14105831 is an equidigital number, since it uses as much as digits as its factorization.
14105831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 613320.
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 14105831 is about 3755.7730229608. The cubic root of 14105831 is about 241.6200067401.
Adding to 14105831 its reverse (13850141), we get a palindrome (27955972).
The spelling of 14105831 in words is "fourteen million, one hundred five thousand, eight hundred thirty-one".
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