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11111041 = 41457593
BaseRepresentation
bin101010011000…
…101010000001
3202220111111001
4222120222001
510321023131
61034052001
7163304464
oct52305201
922814431
1011111041
1162a9987
12387a001
1323c04a6
1416932db
15e97261
hexa98a81

11111041 has 8 divisors (see below), whose sum is σ = 11426184. Its totient is φ = 10798080.

The previous prime is 11111039. The next prime is 11111053. The reversal of 11111041 is 14011111.

It can be written as a sum of positive squares in 4 ways, for example, as 1476225 + 9634816 = 1215^2 + 3104^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111041 - 21 = 11111039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18441 + ... + 19033.

It is an arithmetic number, because the mean of its divisors is an integer number (1428273).

Almost surely, 211111041 is an apocalyptic number.

It is an amenable number.

11111041 is a deficient number, since it is larger than the sum of its proper divisors (315143).

11111041 is an equidigital number, since it uses as much as digits as its factorization.

11111041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 11111041 is about 3333.3228166501. The cubic root of 11111041 is about 223.1438473462.

Adding to 11111041 its reverse (14011111), we get a palindrome (25122152).

The spelling of 11111041 in words is "eleven million, one hundred eleven thousand, forty-one".

Divisors: 1 41 457 593 18737 24313 271001 11111041