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11223223 = 111020293
BaseRepresentation
bin101010110100…
…000010110111
3210010012100221
4222310002313
510333120343
61040315211
7164252524
oct52640267
923105327
1011223223
1163761a0
123912b07
13242c57b
1416c214b
15eba5ed
hexab40b7

11223223 has 4 divisors (see below), whose sum is σ = 12243528. Its totient is φ = 10202920.

The previous prime is 11223181. The next prime is 11223253. The reversal of 11223223 is 32232211.

11223223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32232211 = 112930201.

It is a cyclic number.

It is not a de Polignac number, because 11223223 - 213 = 11215031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11223197 and 11223206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223253) 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, 510136 + ... + 510157.

It is an arithmetic number, because the mean of its divisors is an integer number (3060882).

Almost surely, 211223223 is an apocalyptic number.

11223223 is a deficient number, since it is larger than the sum of its proper divisors (1020305).

11223223 is a wasteful number, since it uses less digits than its factorization.

11223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020304.

The product of its digits is 144, while the sum is 16.

The square root of 11223223 is about 3350.1079087098. The cubic root of 11223223 is about 223.8923204286.

Adding to 11223223 its reverse (32232211), we get a palindrome (43455434).

The spelling of 11223223 in words is "eleven million, two hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 11 1020293 11223223