Base | Representation |
---|---|
bin | 110110100001… |
… | …000011110111 |
3 | 222220001211101 |
4 | 312201003313 |
5 | 12124304231 |
6 | 1230150531 |
7 | 232321165 |
oct | 66410367 |
9 | 28801741 |
10 | 14291191 |
11 | 8081202 |
12 | 4952447 |
13 | 2c64b35 |
14 | 1c80235 |
15 | 13c4661 |
hex | da10f7 |
14291191 has 4 divisors (see below), whose sum is σ = 14301432. Its totient is φ = 14280952.
The previous prime is 14291161. The next prime is 14291209. The reversal of 14291191 is 19119241.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19119241 = 2207 ⋅8663.
It is a cyclic number.
It is not a de Polignac number, because 14291191 - 27 = 14291063 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 (14291111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620 + ... + 5953.
It is an arithmetic number, because the mean of its divisors is an integer number (3575358).
Almost surely, 214291191 is an apocalyptic number.
14291191 is a deficient number, since it is larger than the sum of its proper divisors (10241).
14291191 is an equidigital number, since it uses as much as digits as its factorization.
14291191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10240.
The product of its digits is 648, while the sum is 28.
The square root of 14291191 is about 3780.3691618677. The cubic root of 14291191 is about 242.6737536757.
The spelling of 14291191 in words is "fourteen million, two hundred ninety-one thousand, one hundred ninety-one".
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