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13471241 = 71924463
BaseRepresentation
bin110011011000…
…111000001001
3221100102001212
4303120320021
511422034431
61200422505
7222334520
oct63307011
927312055
1013471241
117671163
124617a35
132a38864
141b094b7
1512b172b
hexcd8e09

13471241 has 4 divisors (see below), whose sum is σ = 15395712. Its totient is φ = 11546772.

The previous prime is 13471223. The next prime is 13471243. The reversal of 13471241 is 14217431.

It is a happy number.

13471241 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 14217431 = 14995419.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13471241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13471243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962225 + ... + 962238.

It is an arithmetic number, because the mean of its divisors is an integer number (3848928).

Almost surely, 213471241 is an apocalyptic number.

It is an amenable number.

13471241 is a deficient number, since it is larger than the sum of its proper divisors (1924471).

13471241 is an equidigital number, since it uses as much as digits as its factorization.

13471241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924470.

The product of its digits is 672, while the sum is 23.

The square root of 13471241 is about 3670.3189234725. The cubic root of 13471241 is about 237.9409558591.

Adding to 13471241 its reverse (14217431), we get a palindrome (27688672).

The spelling of 13471241 in words is "thirteen million, four hundred seventy-one thousand, two hundred forty-one".

Divisors: 1 7 1924463 13471241