Search a number
-
+
255432223 is a prime number
BaseRepresentation
bin11110011100110…
…01011000011111
3122210122022010201
433032121120133
51010342312343
641202444331
76221065234
oct1716313037
9583568121
10255432223
11121204012
12716636a7
1340bc5137
1425cd178b
151765894d
hexf39961f

255432223 has 2 divisors, whose sum is σ = 255432224. Its totient is φ = 255432222.

The previous prime is 255432217. The next prime is 255432269. The reversal of 255432223 is 322234552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255432223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255432191 and 255432200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255432323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127716111 + 127716112.

It is an arithmetic number, because the mean of its divisors is an integer number (127716112).

Almost surely, 2255432223 is an apocalyptic number.

255432223 is a deficient number, since it is larger than the sum of its proper divisors (1).

255432223 is an equidigital number, since it uses as much as digits as its factorization.

255432223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 28.

The square root of 255432223 is about 15982.2471198515. The cubic root of 255432223 is about 634.4906515443.

Adding to 255432223 its reverse (322234552), we get a palindrome (577666775).

The spelling of 255432223 in words is "two hundred fifty-five million, four hundred thirty-two thousand, two hundred twenty-three".