Base | Representation |
---|---|
bin | 110110001110… |
… | …000010001101 |
3 | 222202002221002 |
4 | 312032002031 |
5 | 12114311021 |
6 | 1224350045 |
7 | 231545036 |
oct | 66160215 |
9 | 28662832 |
10 | 14213261 |
11 | 80286a7 |
12 | 4915325 |
13 | 2c3851a |
14 | 1c5da8d |
15 | 13ab50b |
hex | d8e08d |
14213261 has 4 divisors (see below), whose sum is σ = 14264124. Its totient is φ = 14162400.
The previous prime is 14213257. The next prime is 14213267. The reversal of 14213261 is 16231241.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9672100 + 4541161 = 3110^2 + 2131^2 .
It is not a de Polignac number, because 14213261 - 22 = 14213257 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14213267) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25010 + ... + 25571.
It is an arithmetic number, because the mean of its divisors is an integer number (3566031).
Almost surely, 214213261 is an apocalyptic number.
It is an amenable number.
14213261 is a deficient number, since it is larger than the sum of its proper divisors (50863).
14213261 is an equidigital number, since it uses as much as digits as its factorization.
14213261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50862.
The product of its digits is 288, while the sum is 20.
The square root of 14213261 is about 3770.0478776801. The cubic root of 14213261 is about 242.2318487026.
The spelling of 14213261 in words is "fourteen million, two hundred thirteen thousand, two hundred sixty-one".
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