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11221041 = 3131491931
BaseRepresentation
bin101010110011…
…100000110001
3210010002101010
4222303200301
510333033131
61040301133
7164243256
oct52634061
923102333
1011221041
116374597
1239117a9
13242b590
1416c142d
15eb9b46
hexab3831

11221041 has 16 divisors (see below), whose sum is σ = 16228800. Its totient is φ = 6855360.

The previous prime is 11221009. The next prime is 11221043. The reversal of 11221041 is 14012211.

It is a happy number.

It is not a de Polignac number, because 11221041 - 25 = 11221009 is a prime.

It is a super-2 number, since 2×112210412 = 251823522247362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4846 + ... + 6776.

It is an arithmetic number, because the mean of its divisors is an integer number (1014300).

Almost surely, 211221041 is an apocalyptic number.

It is an amenable number.

11221041 is a deficient number, since it is larger than the sum of its proper divisors (5007759).

11221041 is a wasteful number, since it uses less digits than its factorization.

11221041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11221041 is about 3349.7822317279. The cubic root of 11221041 is about 223.8778098997.

Adding to 11221041 its reverse (14012211), we get a palindrome (25233252).

The spelling of 11221041 in words is "eleven million, two hundred twenty-one thousand, forty-one".

Divisors: 1 3 13 39 149 447 1931 1937 5793 5811 25103 75309 287719 863157 3740347 11221041