Base | Representation |
---|---|
bin | 110100101110… |
… | …000001001111 |
3 | 222000010110020 |
4 | 310232001033 |
5 | 12014214413 |
6 | 1212113223 |
7 | 225316332 |
oct | 64560117 |
9 | 28003406 |
10 | 13819983 |
11 | 788a181 |
12 | 4765813 |
13 | 2b2b508 |
14 | 1b9a619 |
15 | 132ec23 |
hex | d2e04f |
13819983 has 8 divisors (see below), whose sum is σ = 18739200. Its totient is φ = 9057048.
The previous prime is 13819957. The next prime is 13819991. The reversal of 13819983 is 38991831.
It is a happy number.
13819983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13819983 - 25 = 13819951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13819903) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38863 + ... + 39216.
It is an arithmetic number, because the mean of its divisors is an integer number (2342400).
Almost surely, 213819983 is an apocalyptic number.
13819983 is a deficient number, since it is larger than the sum of its proper divisors (4919217).
13819983 is an equidigital number, since it uses as much as digits as its factorization.
13819983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78141.
The product of its digits is 46656, while the sum is 42.
The square root of 13819983 is about 3717.5237726207. The cubic root of 13819983 is about 239.9767512202.
The spelling of 13819983 in words is "thirteen million, eight hundred nineteen thousand, nine hundred eighty-three".
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