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13049041 = 13199611
BaseRepresentation
bin110001110001…
…110011010001
3220112221220211
4301301303101
511320032131
61143404121
7215625565
oct61616321
926487824
1013049041
117402a35
124453641
13291b635
141a396a5
15122b5b1
hexc71cd1

13049041 has 4 divisors (see below), whose sum is σ = 13148784. Its totient is φ = 12949300.

The previous prime is 13049039. The next prime is 13049051. The reversal of 13049041 is 14094031.

13049041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13049041 - 21 = 13049039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13049051) 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, 49675 + ... + 49936.

It is an arithmetic number, because the mean of its divisors is an integer number (3287196).

Almost surely, 213049041 is an apocalyptic number.

It is an amenable number.

13049041 is a deficient number, since it is larger than the sum of its proper divisors (99743).

13049041 is an equidigital number, since it uses as much as digits as its factorization.

13049041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99742.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13049041 is about 3612.3456368404. The cubic root of 13049041 is about 235.4287690474.

The spelling of 13049041 in words is "thirteen million, forty-nine thousand, forty-one".

Divisors: 1 131 99611 13049041