Search a number
-
+
14008643 = 111997691
BaseRepresentation
bin110101011100…
…000101000011
3222100201020122
4311130011003
512041234033
61220130455
7230033345
oct65340503
928321218
1014008643
1179a89a0
124836a2b
132b9634c
141c09295
15136aa98
hexd5c143

14008643 has 16 divisors (see below), whose sum is σ = 16275840. Its totient is φ = 11923200.

The previous prime is 14008619. The next prime is 14008649. The reversal of 14008643 is 34680041.

It is a cyclic number.

It is not a de Polignac number, because 14008643 - 212 = 14004547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14008649) 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 15 ways as a sum of consecutive naturals, for example, 19928 + ... + 20618.

It is an arithmetic number, because the mean of its divisors is an integer number (1017240).

Almost surely, 214008643 is an apocalyptic number.

14008643 is a deficient number, since it is larger than the sum of its proper divisors (2267197).

14008643 is a wasteful number, since it uses less digits than its factorization.

14008643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 14008643 is about 3742.8121780287. The cubic root of 14008643 is about 241.0638134993.

Adding to 14008643 its reverse (34680041), we get a palindrome (48688684).

The spelling of 14008643 in words is "fourteen million, eight thousand, six hundred forty-three".

Divisors: 1 11 19 97 209 691 1067 1843 7601 13129 20273 67027 144419 737297 1273513 14008643