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11223388 = 2211255077
BaseRepresentation
bin101010110100…
…000101011100
3210010012121001
4222310011130
510333122023
61040320044
7164253151
oct52640534
923105531
1011223388
116376330
123913024
13242c677
1416c2228
15eba6ad
hexab415c

11223388 has 12 divisors (see below), whose sum is σ = 21426552. Its totient is φ = 5101520.

The previous prime is 11223361. The next prime is 11223397. The reversal of 11223388 is 88332211.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 127495 + ... + 127582.

It is an arithmetic number, because the mean of its divisors is an integer number (1785546).

Almost surely, 211223388 is an apocalyptic number.

It is an amenable number.

11223388 is a deficient number, since it is larger than the sum of its proper divisors (10203164).

11223388 is a wasteful number, since it uses less digits than its factorization.

11223388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255092 (or 255090 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 11223388 is about 3350.1325346917. The cubic root of 11223388 is about 223.8934176195.

Adding to 11223388 its reverse (88332211), we get a palindrome (99555599).

It can be divided in two parts, 11223 and 388, that added together give a palindrome (11611).

The spelling of 11223388 in words is "eleven million, two hundred twenty-three thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 22 44 255077 510154 1020308 2805847 5611694 11223388