Search a number
-
+
255045543 = 31741283431
BaseRepresentation
bin11110011001110…
…10111110100111
3122202220122201020
433030322332213
51010242424133
641150302223
76214565004
oct1714727647
9582818636
10255045543
11120a6a545
12714b7973
1340abb12c
1425c308ab
15175ce0b3
hexf33afa7

255045543 has 32 divisors (see below), whose sum is σ = 371008512. Its totient is φ = 155212800.

The previous prime is 255045541. The next prime is 255045601. The reversal of 255045543 is 345540552.

It is not a de Polignac number, because 255045543 - 21 = 255045541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255045541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591538 + ... + 591968.

It is an arithmetic number, because the mean of its divisors is an integer number (11594016).

Almost surely, 2255045543 is an apocalyptic number.

255045543 is a deficient number, since it is larger than the sum of its proper divisors (115962969).

255045543 is a wasteful number, since it uses less digits than its factorization.

255045543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 255045543 is about 15970.1453656502. The cubic root of 255045543 is about 634.1703203169.

The spelling of 255045543 in words is "two hundred fifty-five million, forty-five thousand, five hundred forty-three".

Divisors: 1 3 17 41 51 123 283 431 697 849 1293 2091 4811 7327 11603 14433 17671 21981 34809 53013 121973 197251 300407 365919 591753 901221 2073541 5000893 6220623 15002679 85015181 255045543