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1232223 = 3410741
BaseRepresentation
bin100101100110101011111
32022121021220
410230311133
5303412343
642224423
713321326
oct4546537
92277256
101232223
11771873
124b5113
13341b35
142410bd
15195183
hex12cd5f

1232223 has 4 divisors (see below), whose sum is σ = 1642968. Its totient is φ = 821480.

The previous prime is 1232221. The next prime is 1232227. The reversal of 1232223 is 3222321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222321 = 31074107.

It is a cyclic number.

It is not a de Polignac number, because 1232223 - 21 = 1232221 is a prime.

It is a d-powerful number, because it can be written as 1 + 22 + 310 + 23 + 216 + 220 + 310 .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205368 + ... + 205373.

It is an arithmetic number, because the mean of its divisors is an integer number (410742).

21232223 is an apocalyptic number.

1232223 is a deficient number, since it is larger than the sum of its proper divisors (410745).

1232223 is an equidigital number, since it uses as much as digits as its factorization.

1232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410744.

The product of its digits is 144, while the sum is 15.

The square root of 1232223 is about 1110.0554040227. The cubic root of 1232223 is about 107.2086359253.

Adding to 1232223 its reverse (3222321), we get a palindrome (4454544).

It can be divided in two parts, 123 and 2223, that added together give a triangular number (2346 = T68).

The spelling of 1232223 in words is "one million, two hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 3 410741 1232223