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12245444 = 228833467
BaseRepresentation
bin101110101101…
…100111000100
3212001010120222
4232231213010
511113323234
61114243512
7206041001
oct56554704
925033528
1012245444
116a04202
124126598
1326c9933
1418aa8a8
15111d42e
hexbad9c4

12245444 has 12 divisors (see below), whose sum is σ = 21459984. Its totient is φ = 6114024.

The previous prime is 12245437. The next prime is 12245461. The reversal of 12245444 is 44454221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (1788332).

Almost surely, 212245444 is an apocalyptic number.

It is an amenable number.

12245444 is a deficient number, since it is larger than the sum of its proper divisors (9214540).

12245444 is a wasteful number, since it uses less digits than its factorization.

12245444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354 (or 4352 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 12245444 is about 3499.3490823295. The cubic root of 12245444 is about 230.4932326269.

Adding to 12245444 its reverse (44454221), we get a palindrome (56699665).

The spelling of 12245444 in words is "twelve million, two hundred forty-five thousand, four hundred forty-four".

Divisors: 1 2 4 883 1766 3467 3532 6934 13868 3061361 6122722 12245444