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12344144 = 24771509
BaseRepresentation
bin101111000101…
…101101010000
3212020010222112
4233011231100
511130003034
61120324452
7206631521
oct57055520
925203875
1012344144
116a7137a
124173728
132732837
1418d4848
15113c7ce
hexbc5b50

12344144 has 10 divisors (see below), whose sum is σ = 23916810. Its totient is φ = 6172064.

The previous prime is 12344089. The next prime is 12344161. The reversal of 12344144 is 44144321.

It is a happy number.

12344144 is digitally balanced in base 2, 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 only one way, i.e., 12334144 + 10000 = 3512^2 + 100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385739 + ... + 385770.

It is an arithmetic number, because the mean of its divisors is an integer number (2391681).

Almost surely, 212344144 is an apocalyptic number.

It is an amenable number.

12344144 is a deficient number, since it is larger than the sum of its proper divisors (11572666).

12344144 is an equidigital number, since it uses as much as digits as its factorization.

12344144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771517 (or 771511 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 12344144 is about 3513.4234017550. The cubic root of 12344144 is about 231.1108455235.

Adding to 12344144 its reverse (44144321), we get a palindrome (56488465).

The spelling of 12344144 in words is "twelve million, three hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 771509 1543018 3086036 6172072 12344144