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8111041 = 19940759
BaseRepresentation
bin11110111100001111000001
3120021002020221
4132330033001
54034023131
6445503041
7125641231
oct36741701
916232227
108111041
11463aa44
122871a81
1318acb43
141111cc1
15aa3411
hex7bc3c1

8111041 has 4 divisors (see below), whose sum is σ = 8152000. Its totient is φ = 8070084.

The previous prime is 8111021. The next prime is 8111053. The reversal of 8111041 is 1401118.

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 8111041 - 213 = 8102849 is a prime.

It is a super-2 number, since 2×81110412 = 131577972207362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8111011) 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, 20181 + ... + 20578.

It is an arithmetic number, because the mean of its divisors is an integer number (2038000).

Almost surely, 28111041 is an apocalyptic number.

It is an amenable number.

8111041 is a deficient number, since it is larger than the sum of its proper divisors (40959).

8111041 is a wasteful number, since it uses less digits than its factorization.

8111041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40958.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 8111041 is about 2847.9889395853. The cubic root of 8111041 is about 200.9210930920.

Adding to 8111041 its reverse (1401118), we get a palindrome (9512159).

The spelling of 8111041 in words is "eight million, one hundred eleven thousand, forty-one".

Divisors: 1 199 40759 8111041