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523223 = 1932711
BaseRepresentation
bin1111111101111010111
3222120201122
41333233113
5113220343
615114155
74306301
oct1775727
9876648
10523223
11328118
1221295b
131541cc
14d8971
15a5068
hex7fbd7

523223 has 4 divisors (see below), whose sum is σ = 526128. Its totient is φ = 520320.

The previous prime is 523219. The next prime is 523261. The reversal of 523223 is 322325.

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 523223 - 22 = 523219 is a prime.

It is a d-powerful number, because it can be written as 58 + 28 + 210 + 3 + 217 + 35 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523213) 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, 1163 + ... + 1548.

It is an arithmetic number, because the mean of its divisors is an integer number (131532).

2523223 is an apocalyptic number.

523223 is a deficient number, since it is larger than the sum of its proper divisors (2905).

523223 is a wasteful number, since it uses less digits than its factorization.

523223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its digits is 360, while the sum is 17.

The square root of 523223 is about 723.3415514126. The cubic root of 523223 is about 80.5803115528.

Adding to 523223 its reverse (322325), we get a palindrome (845548).

It can be divided in two parts, 52322 and 3, that added together give a palindrome (52325).

The spelling of 523223 in words is "five hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 193 2711 523223