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263223 = 339749
BaseRepresentation
bin1000000010000110111
3111101002000
41000100313
531410343
65350343
72144262
oct1002067
9441060
10263223
1116a844
121083b3
1392a6c
146bcd9
1552ed3
hex40437

263223 has 8 divisors (see below), whose sum is σ = 390000. Its totient is φ = 175464.

The previous prime is 263213. The next prime is 263227. The reversal of 263223 is 322362.

It is not a de Polignac number, because 263223 - 25 = 263191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263196 and 263205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4848 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (48750).

2263223 is an apocalyptic number.

263223 is a deficient number, since it is larger than the sum of its proper divisors (126777).

263223 is an equidigital number, since it uses as much as digits as its factorization.

263223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9758 (or 9752 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 263223 is about 513.0526288793. The cubic root of 263223 is about 64.0876890435.

Adding to 263223 its reverse (322362), we get a palindrome (585585).

It can be divided in two parts, 26 and 3223, that added together give a square (3249 = 572).

The spelling of 263223 in words is "two hundred sixty-three thousand, two hundred twenty-three".

Divisors: 1 3 9 27 9749 29247 87741 263223