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12223568 = 247109139
BaseRepresentation
bin101110101000…
…010001010000
3212000000120202
4232220101100
511112123233
61113554332
7205620140
oct56502120
925000522
1012223568
116999825
1241159a8
1326bc9a6
1418a2920
151116be8
hexba8450

12223568 has 20 divisors (see below), whose sum is σ = 27066720. Its totient is φ = 5238624.

The previous prime is 12223553. The next prime is 12223571. The reversal of 12223568 is 86532221.

It is a super-2 number, since 2×122235682 = 298831229301248, which contains 22 as substring.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 12223568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54458 + ... + 54681.

It is an arithmetic number, because the mean of its divisors is an integer number (1353336).

Almost surely, 212223568 is an apocalyptic number.

It is an amenable number.

12223568 is an abundant number, since it is smaller than the sum of its proper divisors (14843152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12223568 is a wasteful number, since it uses less digits than its factorization.

12223568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109154 (or 109148 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 12223568 is about 3496.2219609172. The cubic root of 12223568 is about 230.3558951392.

Adding to 12223568 its reverse (86532221), we get a palindrome (98755789).

The spelling of 12223568 in words is "twelve million, two hundred twenty-three thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 109139 218278 436556 763973 873112 1527946 1746224 3055892 6111784 12223568