Search a number
-
+
12442844 = 2217414463
BaseRepresentation
bin101111011101…
…110011011100
3212102011101002
4233131303130
511141132334
61122405432
7210522341
oct57356334
925364332
1012442844
117029547
124200878
13276873b
14191c7c8
15115bb7e
hexbddcdc

12442844 has 24 divisors (see below), whose sum is σ = 23623488. Its totient is φ = 5711360.

The previous prime is 12442817. The next prime is 12442847. The reversal of 12442844 is 44824421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (984312).

Almost surely, 212442844 is an apocalyptic number.

It is an amenable number.

12442844 is a deficient number, since it is larger than the sum of its proper divisors (11180644).

12442844 is a wasteful number, since it uses less digits than its factorization.

12442844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525 (or 4523 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 12442844 is about 3527.4415657811. The cubic root of 12442844 is about 231.7251749697.

The spelling of 12442844 in words is "twelve million, four hundred forty-two thousand, eight hundred forty-four".

Divisors: 1 2 4 17 34 41 68 82 164 697 1394 2788 4463 8926 17852 75871 151742 182983 303484 365966 731932 3110711 6221422 12442844