Base | Representation |
---|---|
bin | 110011001000… |
… | …110000011110 |
3 | 221020001111102 |
4 | 303020300132 |
5 | 11412431324 |
6 | 1155153102 |
7 | 221641154 |
oct | 63106036 |
9 | 27201442 |
10 | 13405214 |
11 | 7626599 |
12 | 45a5792 |
13 | 2a147a4 |
14 | 1acd3d4 |
15 | 129bdae |
hex | cc8c1e |
13405214 has 8 divisors (see below), whose sum is σ = 21290688. Its totient is φ = 6308320.
The previous prime is 13405187. The next prime is 13405219. The reversal of 13405214 is 41250431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13405219) 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, 197102 + ... + 197169.
It is an arithmetic number, because the mean of its divisors is an integer number (2661336).
Almost surely, 213405214 is an apocalyptic number.
13405214 is a deficient number, since it is larger than the sum of its proper divisors (7885474).
13405214 is a wasteful number, since it uses less digits than its factorization.
13405214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 394290.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 13405214 is about 3661.3131524086. The cubic root of 13405214 is about 237.5515766102.
Adding to 13405214 its reverse (41250431), we get a palindrome (54655645).
The spelling of 13405214 in words is "thirteen million, four hundred five thousand, two hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •