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BaseRepresentation
bin10000101000111010001
31000200220211
42011013101
5114421413
615404121
74430413
oct2050721
91020824
10545233
11342707
12223641
13161230
141029b3
15ab83d
hex851d1

545233 has 4 divisors (see below), whose sum is σ = 587188. Its totient is φ = 503280.

The previous prime is 545231. The next prime is 545239. The reversal of 545233 is 332545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332545 = 566509.

It can be written as a sum of positive squares in 2 ways, for example, as 36864 + 508369 = 192^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 545233 - 21 = 545231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545231) 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, 20958 + ... + 20983.

It is an arithmetic number, because the mean of its divisors is an integer number (146797).

2545233 is an apocalyptic number.

It is an amenable number.

545233 is a deficient number, since it is larger than the sum of its proper divisors (41955).

545233 is a wasteful number, since it uses less digits than its factorization.

545233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41954.

The product of its digits is 1800, while the sum is 22.

The square root of 545233 is about 738.3989436612. The cubic root of 545233 is about 81.6947305096.

Adding to 545233 its reverse (332545), we get a palindrome (877778).

The spelling of 545233 in words is "five hundred forty-five thousand, two hundred thirty-three".

Divisors: 1 13 41941 545233