Search a number
-
+
255144224 = 258639239
BaseRepresentation
bin11110011010100…
…11000100100000
3122210002200002002
433031103010200
51010304103344
641152343132
76215455466
oct1715230440
9583080062
10255144224
111210276a5
1271544aa8
1340b2401a
1425c58836
15175ed44e
hexf353120

255144224 has 24 divisors (see below), whose sum is σ = 502951680. Its totient is φ = 127410496.

The previous prime is 255144209. The next prime is 255144269. The reversal of 255144224 is 422441552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22997 + ... + 32235.

It is an arithmetic number, because the mean of its divisors is an integer number (20956320).

Almost surely, 2255144224 is an apocalyptic number.

It is an amenable number.

255144224 is a deficient number, since it is larger than the sum of its proper divisors (247807456).

255144224 is an equidigital number, since it uses as much as digits as its factorization.

255144224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112 (or 10104 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 255144224 is about 15973.2346129392. The cubic root of 255144224 is about 634.2520998183.

Adding to 255144224 its reverse (422441552), we get a palindrome (677585776).

The spelling of 255144224 in words is "two hundred fifty-five million, one hundred forty-four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 863 1726 3452 6904 9239 13808 18478 27616 36956 73912 147824 295648 7973257 15946514 31893028 63786056 127572112 255144224