Base | Representation |
---|---|
bin | 110111000000… |
… | …110011000111 |
3 | 1000010200011012 |
4 | 313000303013 |
5 | 12142434231 |
6 | 1233032435 |
7 | 233402201 |
oct | 67006307 |
9 | 30120135 |
10 | 14421191 |
11 | 815a944 |
12 | 49b571b |
13 | 2cac065 |
14 | 1cb5771 |
15 | 13ece2b |
hex | dc0cc7 |
14421191 has 4 divisors (see below), whose sum is σ = 14434584. Its totient is φ = 14407800.
The previous prime is 14421181. The next prime is 14421203. The reversal of 14421191 is 19112441.
14421191 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: 19112441 = 509 ⋅37549.
It is a cyclic number.
It is not a de Polignac number, because 14421191 - 214 = 14404807 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 (14421131) 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, 4925 + ... + 7286.
It is an arithmetic number, because the mean of its divisors is an integer number (3608646).
Almost surely, 214421191 is an apocalyptic number.
14421191 is a deficient number, since it is larger than the sum of its proper divisors (13393).
14421191 is a wasteful number, since it uses less digits than its factorization.
14421191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13392.
The product of its digits is 288, while the sum is 23.
The square root of 14421191 is about 3797.5243251360. The cubic root of 14421191 is about 243.4073620178.
The spelling of 14421191 in words is "fourteen million, four hundred twenty-one thousand, one hundred ninety-one".
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