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13524053 = 73229809
BaseRepresentation
bin110011100101…
…110001010101
3221110002111212
4303211301111
511430232203
61201511205
7222644504
oct63456125
927402455
1013524053
1176a7904
124642505
132a568ca
141b2083b
1512c21d8
hexce5c55

13524053 has 8 divisors (see below), whose sum is σ = 13786200. Its totient is φ = 13264128.

The previous prime is 13524041. The next prime is 13524079. The reversal of 13524053 is 35042531.

It can be written as a sum of positive squares in 4 ways, for example, as 8334769 + 5189284 = 2887^2 + 2278^2 .

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 13524053 - 24 = 13524037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13524653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16313 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (1723275).

Almost surely, 213524053 is an apocalyptic number.

It is an amenable number.

13524053 is a deficient number, since it is larger than the sum of its proper divisors (262147).

13524053 is an equidigital number, since it uses as much as digits as its factorization.

13524053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 13524053 is about 3677.5063562148. The cubic root of 13524053 is about 238.2514878090.

Adding to 13524053 its reverse (35042531), we get a palindrome (48566584).

The spelling of 13524053 in words is "thirteen million, five hundred twenty-four thousand, fifty-three".

Divisors: 1 73 229 809 16717 59057 185261 13524053