Search a number
-
+
255254887 = 1272009881
BaseRepresentation
bin11110011011011…
…10000101100111
3122210022021212201
433031232011213
51010321124022
641154555331
76216426226
oct1715560547
9583267781
10255254887
111210a2858
1271598b47
1340b624c4
1425c86cbd
1517621127
hexf36e167

255254887 has 4 divisors (see below), whose sum is σ = 257264896. Its totient is φ = 253244880.

The previous prime is 255254863. The next prime is 255254893. The reversal of 255254887 is 788452552.

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

It is a cyclic number.

It is not a de Polignac number, because 255254887 - 227 = 121037159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255254687) 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, 1004814 + ... + 1005067.

It is an arithmetic number, because the mean of its divisors is an integer number (64316224).

Almost surely, 2255254887 is an apocalyptic number.

255254887 is a deficient number, since it is larger than the sum of its proper divisors (2010009).

255254887 is a wasteful number, since it uses less digits than its factorization.

255254887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010008.

The product of its digits is 896000, while the sum is 46.

The square root of 255254887 is about 15976.6982508903. The cubic root of 255254887 is about 634.3437840351.

The spelling of 255254887 in words is "two hundred fifty-five million, two hundred fifty-four thousand, eight hundred eighty-seven".

Divisors: 1 127 2009881 255254887