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11211041 = 17659473
BaseRepresentation
bin101010110001…
…000100100001
3210002120122202
4222301010201
510332223131
61040142545
7164202152
oct52610441
923076582
1011211041
116368026
123907a55
132426b6a
1416bb929
15eb6bcb
hexab1121

11211041 has 4 divisors (see below), whose sum is σ = 11870532. Its totient is φ = 10551552.

The previous prime is 11211029. The next prime is 11211047. The reversal of 11211041 is 14011211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14011211 = 71197341.

It can be written as a sum of positive squares in 2 ways, for example, as 3763600 + 7447441 = 1940^2 + 2729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11211041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329720 + ... + 329753.

It is an arithmetic number, because the mean of its divisors is an integer number (2967633).

Almost surely, 211211041 is an apocalyptic number.

It is an amenable number.

11211041 is a deficient number, since it is larger than the sum of its proper divisors (659491).

11211041 is an equidigital number, since it uses as much as digits as its factorization.

11211041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659490.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11211041 is about 3348.2892646843. The cubic root of 11211041 is about 223.8112847742.

Adding to 11211041 its reverse (14011211), we get a palindrome (25222252).

The spelling of 11211041 in words is "eleven million, two hundred eleven thousand, forty-one".

Divisors: 1 17 659473 11211041