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11223493 = 29387017
BaseRepresentation
bin101010110100…
…000111000101
3210010012201221
4222310013011
510333122433
61040320341
7164253361
oct52640705
923105657
1011223493
116376416
1239130b1
13242c728
1416c22a1
15eba72d
hexab41c5

11223493 has 4 divisors (see below), whose sum is σ = 11610540. Its totient is φ = 10836448.

The previous prime is 11223461. The next prime is 11223503. The reversal of 11223493 is 39432211.

11223493 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 7409284 + 3814209 = 2722^2 + 1953^2 .

It is a cyclic number.

It is not a de Polignac number, because 11223493 - 25 = 11223461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193480 + ... + 193537.

It is an arithmetic number, because the mean of its divisors is an integer number (2902635).

Almost surely, 211223493 is an apocalyptic number.

It is an amenable number.

11223493 is a deficient number, since it is larger than the sum of its proper divisors (387047).

11223493 is an equidigital number, since it uses as much as digits as its factorization.

11223493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387046.

The product of its digits is 1296, while the sum is 25.

The square root of 11223493 is about 3350.1482056769. The cubic root of 11223493 is about 223.8941158262.

The spelling of 11223493 in words is "eleven million, two hundred twenty-three thousand, four hundred ninety-three".

Divisors: 1 29 387017 11223493