Base | Representation |
---|---|
bin | 110101111000… |
… | …010110000101 |
3 | 222120121001201 |
4 | 311320112011 |
5 | 12103440141 |
6 | 1222422501 |
7 | 231025033 |
oct | 65702605 |
9 | 28517051 |
10 | 14124421 |
11 | 7a77983 |
12 | 4891a31 |
13 | 2c06c5c |
14 | 1c39553 |
15 | 1390031 |
hex | d78585 |
14124421 has 4 divisors (see below), whose sum is σ = 14611500. Its totient is φ = 13637344.
The previous prime is 14124419. The next prime is 14124469. The reversal of 14124421 is 12442141.
14124421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12442141 = 257 ⋅48413.
It can be written as a sum of positive squares in 2 ways, for example, as 9523396 + 4601025 = 3086^2 + 2145^2 .
It is a cyclic number.
It is not a de Polignac number, because 14124421 - 21 = 14124419 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14124401) 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, 243496 + ... + 243553.
It is an arithmetic number, because the mean of its divisors is an integer number (3652875).
Almost surely, 214124421 is an apocalyptic number.
It is an amenable number.
14124421 is a deficient number, since it is larger than the sum of its proper divisors (487079).
14124421 is an equidigital number, since it uses as much as digits as its factorization.
14124421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 487078.
The product of its digits is 256, while the sum is 19.
The square root of 14124421 is about 3758.2470647896. The cubic root of 14124421 is about 241.7261033883.
Adding to 14124421 its reverse (12442141), we get a palindrome (26566562).
The spelling of 14124421 in words is "fourteen million, one hundred twenty-four thousand, four hundred twenty-one".
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