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13522441 = 31874243
BaseRepresentation
bin110011100101…
…011000001001
3221110000022011
4303211120021
511430204231
61201455521
7222640012
oct63453011
927400264
1013522441
1176a6679
1246415a1
132a55c5a
141b20009
1512c19b1
hexce5609

13522441 has 4 divisors (see below), whose sum is σ = 13529872. Its totient is φ = 13515012.

The previous prime is 13522391. The next prime is 13522451. The reversal of 13522441 is 14422531.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13522441 - 29 = 13521929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13522451) 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, 1066 + ... + 5308.

It is an arithmetic number, because the mean of its divisors is an integer number (3382468).

Almost surely, 213522441 is an apocalyptic number.

It is an amenable number.

13522441 is a deficient number, since it is larger than the sum of its proper divisors (7431).

13522441 is an equidigital number, since it uses as much as digits as its factorization.

13522441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430.

The product of its digits is 960, while the sum is 22.

The square root of 13522441 is about 3677.2871794300. The cubic root of 13522441 is about 238.2420213013.

Adding to 13522441 its reverse (14422531), we get a palindrome (27944972).

The spelling of 13522441 in words is "thirteen million, five hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 3187 4243 13522441