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13413513 = 34471171
BaseRepresentation
bin110011001010…
…110010001001
3221020110212210
4303022302021
511413213023
61155255333
7222004311
oct63126211
927213783
1013413513
117631853
1245aa549
132a184b9
141ad2441
15129e593
hexccac89

13413513 has 4 divisors (see below), whose sum is σ = 17884688. Its totient is φ = 8942340.

The previous prime is 13413511. The next prime is 13413523. The reversal of 13413513 is 31531431.

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.

It is not a de Polignac number, because 13413513 - 21 = 13413511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13413513.

It is not an unprimeable number, because it can be changed into a prime (13413511) 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, 2235583 + ... + 2235588.

It is an arithmetic number, because the mean of its divisors is an integer number (4471172).

Almost surely, 213413513 is an apocalyptic number.

It is an amenable number.

13413513 is a deficient number, since it is larger than the sum of its proper divisors (4471175).

13413513 is an equidigital number, since it uses as much as digits as its factorization.

13413513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471174.

The product of its digits is 540, while the sum is 21.

The square root of 13413513 is about 3662.4463135997. The cubic root of 13413513 is about 237.6005882322.

Adding to 13413513 its reverse (31531431), we get a palindrome (44944944).

The spelling of 13413513 in words is "thirteen million, four hundred thirteen thousand, five hundred thirteen".

Divisors: 1 3 4471171 13413513