Search a number
-
+
13104895 = 54360953
BaseRepresentation
bin110001111111…
…011011111111
3220122210112111
4301333123333
511323324040
61144514451
7216250456
oct61773377
926583474
1013104895
1174409a1
12447ba27
13293ab9b
141a51b9d
15123cdea
hexc7f6ff

13104895 has 8 divisors (see below), whose sum is σ = 16091856. Its totient is φ = 10239936.

The previous prime is 13104877. The next prime is 13104899. The reversal of 13104895 is 59840131.

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 13104895 - 25 = 13104863 is a prime.

It is a super-2 number, since 2×131048952 = 343476545922050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30262 + ... + 30691.

It is an arithmetic number, because the mean of its divisors is an integer number (2011482).

Almost surely, 213104895 is an apocalyptic number.

13104895 is a deficient number, since it is larger than the sum of its proper divisors (2986961).

13104895 is an equidigital number, since it uses as much as digits as its factorization.

13104895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61001.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13104895 is about 3620.0683695201. The cubic root of 13104895 is about 235.7641939885.

The spelling of 13104895 in words is "thirteen million, one hundred four thousand, eight hundred ninety-five".

Divisors: 1 5 43 215 60953 304765 2620979 13104895