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11224441 = 66116981
BaseRepresentation
bin101010110100…
…010101111001
3210010021001001
4222310111321
510333140231
61040325001
7164256214
oct52642571
923107031
1011224441
1163770a8
123913761
13242cca7
1416c277b
15ebab61
hexab4579

11224441 has 4 divisors (see below), whose sum is σ = 11242084. Its totient is φ = 11206800.

The previous prime is 11224439. The next prime is 11224453. The reversal of 11224441 is 14442211.

11224441 = T2734 + T2735 + T2736.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10214416 + 1010025 = 3196^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 11224441 - 21 = 11224439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11224481) by changing a digit.

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, 7830 + ... + 9151.

It is an arithmetic number, because the mean of its divisors is an integer number (2810521).

Almost surely, 211224441 is an apocalyptic number.

11224441 is the 2736-th centered triangular number.

It is an amenable number.

11224441 is a deficient number, since it is larger than the sum of its proper divisors (17643).

11224441 is an equidigital number, since it uses as much as digits as its factorization.

11224441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17642.

The product of its digits is 256, while the sum is 19.

The square root of 11224441 is about 3350.2896889672. The cubic root of 11224441 is about 223.9004194385.

Adding to 11224441 its reverse (14442211), we get a palindrome (25666652).

The spelling of 11224441 in words is "eleven million, two hundred twenty-four thousand, four hundred forty-one".

Divisors: 1 661 16981 11224441