Base | Representation |
---|---|
bin | 110101000111… |
… | …111001110101 |
3 | 222012111212222 |
4 | 311013321311 |
5 | 12031113010 |
6 | 1214252125 |
7 | 226240412 |
oct | 65077165 |
9 | 28174788 |
10 | 13926005 |
11 | 79518a5 |
12 | 47b7045 |
13 | 2b67852 |
14 | 1bc7109 |
15 | 1351355 |
hex | d47e75 |
13926005 has 4 divisors (see below), whose sum is σ = 16711212. Its totient is φ = 11140800.
The previous prime is 13925939. The next prime is 13926013. The reversal of 13926005 is 50062931.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50062931 = 2879 ⋅17389.
It can be written as a sum of positive squares in 2 ways, for example, as 8059921 + 5866084 = 2839^2 + 2422^2 .
It is not a de Polignac number, because 13926005 - 212 = 13921909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392596 + ... + 1392605.
It is an arithmetic number, because the mean of its divisors is an integer number (4177803).
Almost surely, 213926005 is an apocalyptic number.
It is an amenable number.
13926005 is a deficient number, since it is larger than the sum of its proper divisors (2785207).
13926005 is an equidigital number, since it uses as much as digits as its factorization.
13926005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2785206.
The product of its (nonzero) digits is 1620, while the sum is 26.
The square root of 13926005 is about 3731.7562889342. The cubic root of 13926005 is about 240.5888607107.
Adding to 13926005 its reverse (50062931), we get a palindrome (63988936).
The spelling of 13926005 in words is "thirteen million, nine hundred twenty-six thousand, five".
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