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255343423 = 503507641
BaseRepresentation
bin11110011100000…
…11101100111111
3122210110210022211
433032003230333
51010331442143
641200521251
76220245316
oct1716035477
9583423284
10255343423
11121153325
1271620227
1340b938aa
1425cab27d
151763c49d
hexf383b3f

255343423 has 4 divisors (see below), whose sum is σ = 255851568. Its totient is φ = 254835280.

The previous prime is 255343421. The next prime is 255343427. The reversal of 255343423 is 324343552.

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 255343423 - 21 = 255343421 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255343421) 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, 253318 + ... + 254323.

It is an arithmetic number, because the mean of its divisors is an integer number (63962892).

Almost surely, 2255343423 is an apocalyptic number.

255343423 is a deficient number, since it is larger than the sum of its proper divisors (508145).

255343423 is an equidigital number, since it uses as much as digits as its factorization.

255343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508144.

The product of its digits is 43200, while the sum is 31.

The square root of 255343423 is about 15979.4687959269. The cubic root of 255343423 is about 634.4171169688.

Adding to 255343423 its reverse (324343552), we get a palindrome (579686975).

The spelling of 255343423 in words is "two hundred fifty-five million, three hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 503 507641 255343423