Search a number
-
+
14431386 = 232982939
BaseRepresentation
bin110111000011…
…010010011010
31000011012010210
4313003102122
512143301021
61233151550
7233444004
oct67032232
930135123
1014431386
118167572
1249bb5b6
132cb38a8
141cb9374
151400e76
hexdc349a

14431386 has 16 divisors (see below), whose sum is σ = 29858400. Its totient is φ = 4644528.

The previous prime is 14431381. The next prime is 14431409. The reversal of 14431386 is 68313441.

14431386 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14431381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41296 + ... + 41643.

It is an arithmetic number, because the mean of its divisors is an integer number (1866150).

Almost surely, 214431386 is an apocalyptic number.

14431386 is an abundant number, since it is smaller than the sum of its proper divisors (15427014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14431386 is a wasteful number, since it uses less digits than its factorization.

14431386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82973.

The product of its digits is 6912, while the sum is 30.

The square root of 14431386 is about 3798.8664098649. The cubic root of 14431386 is about 243.4647071084.

The spelling of 14431386 in words is "fourteen million, four hundred thirty-one thousand, three hundred eighty-six".

Divisors: 1 2 3 6 29 58 87 174 82939 165878 248817 497634 2405231 4810462 7215693 14431386