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255333223 = 1951130873
BaseRepresentation
bin11110011100000…
…01001101100111
3122210110021100001
433032001031213
51010331130343
641200402131
76220203505
oct1716011547
9583407301
10255333223
111211466a2
1271616347
1340b8c062
1425ca7675
151763944d
hexf381367

255333223 has 4 divisors (see below), whose sum is σ = 255466048. Its totient is φ = 255200400.

The previous prime is 255333209. The next prime is 255333227. The reversal of 255333223 is 322333552.

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-255333223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255333191 and 255333200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255333227) 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, 63486 + ... + 67387.

It is an arithmetic number, because the mean of its divisors is an integer number (63866512).

Almost surely, 2255333223 is an apocalyptic number.

255333223 is a deficient number, since it is larger than the sum of its proper divisors (132825).

255333223 is a wasteful number, since it uses less digits than its factorization.

255333223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132824.

The product of its digits is 16200, while the sum is 28.

The square root of 255333223 is about 15979.1496331939. The cubic root of 255333223 is about 634.4086693382.

Adding to 255333223 its reverse (322333552), we get a palindrome (577666775).

The spelling of 255333223 in words is "two hundred fifty-five million, three hundred thirty-three thousand, two hundred twenty-three".

Divisors: 1 1951 130873 255333223