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11444481 = 321271609
BaseRepresentation
bin101011101010…
…000100000001
3210112102212200
4223222010001
510412210411
61045143413
7166163556
oct53520401
923472780
1011444481
116507454
1239bab69
1324a91a9
14173ca2d
151010e56
hexaea101

11444481 has 6 divisors (see below), whose sum is σ = 16530930. Its totient is φ = 7629648.

The previous prime is 11444443. The next prime is 11444483. The reversal of 11444481 is 18444411.

It can be written as a sum of positive squares in only one way, i.e., 6843456 + 4601025 = 2616^2 + 2145^2 .

It is not a de Polignac number, because 11444481 - 27 = 11444353 is a prime.

It is a super-2 number, since 2×114444812 = 261952290718722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11444483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 635796 + ... + 635813.

It is an arithmetic number, because the mean of its divisors is an integer number (2755155).

Almost surely, 211444481 is an apocalyptic number.

It is an amenable number.

11444481 is a deficient number, since it is larger than the sum of its proper divisors (5086449).

11444481 is a wasteful number, since it uses less digits than its factorization.

11444481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271615 (or 1271612 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 11444481 is about 3382.9692579153. The cubic root of 11444481 is about 225.3540499979.

Adding to 11444481 its reverse (18444411), we get a palindrome (29888892).

It can be divided in two parts, 1144 and 4481, that added together give a square (5625 = 752).

The spelling of 11444481 in words is "eleven million, four hundred forty-four thousand, four hundred eighty-one".

Divisors: 1 3 9 1271609 3814827 11444481