Search a number
-
+
11223385 = 57397317
BaseRepresentation
bin101010110100…
…000101011001
3210010012120221
4222310011121
510333122020
61040320041
7164253145
oct52640531
923105527
1011223385
116376328
123913021
13242c674
1416c2225
15eba6aa
hexab4159

11223385 has 16 divisors (see below), whose sum is σ = 13836816. Its totient is φ = 8736768.

The previous prime is 11223361. The next prime is 11223397. The reversal of 11223385 is 58332211.

11223385 = 2912 + 2922 + ... + 3872.

11223385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1218816 + 10004569 = 1104^2 + 3163^2 .

It is a cyclic number.

It is not a de Polignac number, because 11223385 - 215 = 11190617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35247 + ... + 35563.

It is an arithmetic number, because the mean of its divisors is an integer number (864801).

Almost surely, 211223385 is an apocalyptic number.

It is an amenable number.

11223385 is a deficient number, since it is larger than the sum of its proper divisors (2613431).

11223385 is an equidigital number, since it uses as much as digits as its factorization.

11223385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 1440, while the sum is 25.

The square root of 11223385 is about 3350.1320869482. The cubic root of 11223385 is about 223.8933976706.

Adding to 11223385 its reverse (58332211), we get a palindrome (69555596).

The spelling of 11223385 in words is "eleven million, two hundred twenty-three thousand, three hundred eighty-five".

Divisors: 1 5 73 97 317 365 485 1585 7081 23141 30749 35405 115705 153745 2244677 11223385