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255143003 = 269948487
BaseRepresentation
bin11110011010100…
…10110001011011
3122210002121101212
433031102301123
51010304034003
641152333335
76215452103
oct1715226133
9583077355
10255143003
11121026795
127154424b
1340b235bb
1425c58203
15175ecdd8
hexf352c5b

255143003 has 4 divisors (see below), whose sum is σ = 256091760. Its totient is φ = 254194248.

The previous prime is 255142967. The next prime is 255143017. The reversal of 255143003 is 300341552.

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 255143003 - 26 = 255142939 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 255143003.

It is not an unprimeable number, because it can be changed into a prime (255143023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473975 + ... + 474512.

It is an arithmetic number, because the mean of its divisors is an integer number (64022940).

Almost surely, 2255143003 is an apocalyptic number.

255143003 is a deficient number, since it is larger than the sum of its proper divisors (948757).

255143003 is an equidigital number, since it uses as much as digits as its factorization.

255143003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948756.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 255143003 is about 15973.1963927074. The cubic root of 255143003 is about 634.2510880728.

Adding to 255143003 its reverse (300341552), we get a palindrome (555484555).

It can be divided in two parts, 2551 and 43003, that added together give a palindrome (45554).

The spelling of 255143003 in words is "two hundred fifty-five million, one hundred forty-three thousand, three".

Divisors: 1 269 948487 255143003