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255030235 = 551006047
BaseRepresentation
bin11110011001101…
…11001111011011
3122202212212201021
433030313033123
51010241431420
641150103311
76214502245
oct1714671733
9582785637
10255030235
11120a59a99
12714aab37
1340ab4185
1425c29095
15175c97aa
hexf3373db

255030235 has 4 divisors (see below), whose sum is σ = 306036288. Its totient is φ = 204024184.

The previous prime is 255030229. The next prime is 255030247. The reversal of 255030235 is 532030552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255030235 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25503019 + ... + 25503028.

It is an arithmetic number, because the mean of its divisors is an integer number (76509072).

Almost surely, 2255030235 is an apocalyptic number.

255030235 is a deficient number, since it is larger than the sum of its proper divisors (51006053).

255030235 is an equidigital number, since it uses as much as digits as its factorization.

255030235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51006052.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 255030235 is about 15969.6660891830. Note that the first 3 decimals coincide. The cubic root of 255030235 is about 634.1576322909.

Adding to 255030235 its reverse (532030552), we get a palindrome (787060787).

The spelling of 255030235 in words is "two hundred fifty-five million, thirty thousand, two hundred thirty-five".

Divisors: 1 5 51006047 255030235