Search a number
-
+
11220041 = 71602863
BaseRepresentation
bin101010110011…
…010001001001
3210010001000002
4222303101021
510333020131
61040252345
7164240330
oct52632111
923101002
1011220041
116373868
1239110b5
13242aca1
1416c0d17
15eb96cb
hexab3449

11220041 has 4 divisors (see below), whose sum is σ = 12822912. Its totient is φ = 9617172.

The previous prime is 11220037. The next prime is 11220073. The reversal of 11220041 is 14002211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11220041 - 22 = 11220037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220091) 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 3 ways as a sum of consecutive naturals, for example, 801425 + ... + 801438.

It is an arithmetic number, because the mean of its divisors is an integer number (3205728).

Almost surely, 211220041 is an apocalyptic number.

It is an amenable number.

11220041 is a deficient number, since it is larger than the sum of its proper divisors (1602871).

11220041 is an equidigital number, since it uses as much as digits as its factorization.

11220041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602870.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11220041 is about 3349.6329649680. The cubic root of 11220041 is about 223.8711591662.

Adding to 11220041 its reverse (14002211), we get a palindrome (25222252).

The spelling of 11220041 in words is "eleven million, two hundred twenty thousand, forty-one".

Divisors: 1 7 1602863 11220041