Search a number
-
+
13748041 = 53259397
BaseRepresentation
bin110100011100…
…011101001001
3221212110202201
4310130131021
512004414131
61210400201
7224566516
oct64343511
927773681
1013748041
11784011a
124730061
132b04848
141b7c30d
151318761
hexd1c749

13748041 has 4 divisors (see below), whose sum is σ = 14007492. Its totient is φ = 13488592.

The previous prime is 13748029. The next prime is 13748047. The reversal of 13748041 is 14084731.

13748041 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4748041 + 9000000 = 2179^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 13748041 - 27 = 13747913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13748047) 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, 129646 + ... + 129751.

It is an arithmetic number, because the mean of its divisors is an integer number (3501873).

Almost surely, 213748041 is an apocalyptic number.

It is an amenable number.

13748041 is a deficient number, since it is larger than the sum of its proper divisors (259451).

13748041 is an equidigital number, since it uses as much as digits as its factorization.

13748041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259450.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 13748041 is about 3707.8350826325. The cubic root of 13748041 is about 239.5596148685.

The spelling of 13748041 in words is "thirteen million, seven hundred forty-eight thousand, forty-one".

Divisors: 1 53 259397 13748041