Search a number
-
+
14431456 = 2513113307
BaseRepresentation
bin110111000011…
…010011100000
31000011012020101
4313003103200
512143301311
61233152144
7233444134
oct67032340
930135211
1014431456
118167626
1249bb654
132cb3930
141cb93c4
151400ec1
hexdc34e0

14431456 has 48 divisors (see below), whose sum is σ = 30968784. Its totient is φ = 6580224.

The previous prime is 14431451. The next prime is 14431463. The reversal of 14431456 is 65413441.

14431456 = 4432 + 4442 + ... + 5062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431451) 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 7 ways as a sum of consecutive naturals, for example, 46855 + ... + 47161.

It is an arithmetic number, because the mean of its divisors is an integer number (645183).

Almost surely, 214431456 is an apocalyptic number.

14431456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14431456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15484392).

14431456 is an abundant number, since it is smaller than the sum of its proper divisors (16537328).

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

14431456 is a wasteful number, since it uses less digits than its factorization.

14431456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 435 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 14431456 is about 3798.8756231285. The cubic root of 14431456 is about 243.4651007528.

Adding to 14431456 its reverse (65413441), we get a palindrome (79844897).

The spelling of 14431456 in words is "fourteen million, four hundred thirty-one thousand, four hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 32 52 104 113 208 226 307 416 452 614 904 1228 1469 1808 2456 2938 3616 3991 4912 5876 7982 9824 11752 15964 23504 31928 34691 47008 63856 69382 127712 138764 277528 450983 555056 901966 1110112 1803932 3607864 7215728 14431456