Base | Representation |
---|---|
bin | 110110001101… |
… | …000010110111 |
3 | 222201220100221 |
4 | 312031002313 |
5 | 12114143312 |
6 | 1224315211 |
7 | 231530155 |
oct | 66150267 |
9 | 28656327 |
10 | 14209207 |
11 | 8025651 |
12 | 4912b07 |
13 | 2c3671c |
14 | 1c5c3d5 |
15 | 13aa207 |
hex | d8d0b7 |
14209207 has 4 divisors (see below), whose sum is σ = 14957080. Its totient is φ = 13461336.
The previous prime is 14209189. The next prime is 14209213. The reversal of 14209207 is 70290241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70290241 = 7 ⋅10041463.
It is a cyclic number.
It is not a de Polignac number, because 14209207 - 223 = 5820599 is a prime.
It is a super-3 number, since 3×142092073 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14209907) 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, 373908 + ... + 373945.
It is an arithmetic number, because the mean of its divisors is an integer number (3739270).
Almost surely, 214209207 is an apocalyptic number.
14209207 is a deficient number, since it is larger than the sum of its proper divisors (747873).
14209207 is an equidigital number, since it uses as much as digits as its factorization.
14209207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 747872.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 14209207 is about 3769.5101803815. The cubic root of 14209207 is about 242.2088161911.
Adding to 14209207 its reverse (70290241), we get a palindrome (84499448).
The spelling of 14209207 in words is "fourteen million, two hundred nine thousand, two hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •