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12544244 = 227734057
BaseRepresentation
bin101111110110…
…100011110100
3212121022110122
4233312203310
511202403434
61124511112
7211424066
oct57664364
925538418
1012544244
117098749
12424b498
1327a293b
141947736
15117bc2e
hexbf68f4

12544244 has 12 divisors (see below), whose sum is σ = 21986244. Its totient is φ = 6262464.

The previous prime is 12544241. The next prime is 12544289. The reversal of 12544244 is 44244521.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 9375844 = 1780^2 + 3062^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (1832187).

Almost surely, 212544244 is an apocalyptic number.

It is an amenable number.

12544244 is a deficient number, since it is larger than the sum of its proper divisors (9442000).

12544244 is a wasteful number, since it uses less digits than its factorization.

12544244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834 (or 4832 counting only the distinct ones).

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

The square root of 12544244 is about 3541.7854254599. The cubic root of 12544244 is about 232.3529358631.

Adding to 12544244 its reverse (44244521), we get a palindrome (56788765).

The spelling of 12544244 in words is "twelve million, five hundred forty-four thousand, two hundred forty-four".

Divisors: 1 2 4 773 1546 3092 4057 8114 16228 3136061 6272122 12544244