Search a number
-
+
255312341 = 1715018373
BaseRepresentation
bin11110011011111…
…00000111010101
3122210102012200122
433031330013111
51010324443331
641200121325
76220055564
oct1715740725
9583365618
10255312341
11121131a39
1271606245
1340b826bb
1425c9dbdb
151763317b
hexf37c1d5

255312341 has 4 divisors (see below), whose sum is σ = 270330732. Its totient is φ = 240293952.

The previous prime is 255312331. The next prime is 255312353. The reversal of 255312341 is 143213552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 191711716 + 63600625 = 13846^2 + 7975^2 .

It is a cyclic number.

It is not a de Polignac number, because 255312341 - 210 = 255311317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255312341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255312331) 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 in 3 ways as a sum of consecutive naturals, for example, 7509170 + ... + 7509203.

It is an arithmetic number, because the mean of its divisors is an integer number (67582683).

Almost surely, 2255312341 is an apocalyptic number.

It is an amenable number.

255312341 is a deficient number, since it is larger than the sum of its proper divisors (15018391).

255312341 is a wasteful number, since it uses less digits than its factorization.

255312341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15018390.

The product of its digits is 3600, while the sum is 26.

The square root of 255312341 is about 15978.4962058386. The cubic root of 255312341 is about 634.3913741832.

Adding to 255312341 its reverse (143213552), we get a palindrome (398525893).

It can be divided in two parts, 25531 and 2341, that added together give a palindrome (27872).

The spelling of 255312341 in words is "two hundred fifty-five million, three hundred twelve thousand, three hundred forty-one".

Divisors: 1 17 15018373 255312341