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13004313 = 37619253
BaseRepresentation
bin110001100110…
…111000011001
3220110200120020
4301212320121
511312114223
61142421053
7215351310
oct61467031
926420506
1013004313
117382373
124431789
13290417a
141a27277
15121d1e3
hexc66e19

13004313 has 8 divisors (see below), whose sum is σ = 19816128. Its totient is φ = 7431024.

The previous prime is 13004311. The next prime is 13004317. The reversal of 13004313 is 31340031.

13004313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13004313 - 21 = 13004311 is a prime.

It is a super-2 number, since 2×130043132 = 338224313203938, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13004292 and 13004301.

It is not an unprimeable number, because it can be changed into a prime (13004311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309606 + ... + 309647.

It is an arithmetic number, because the mean of its divisors is an integer number (2477016).

Almost surely, 213004313 is an apocalyptic number.

It is an amenable number.

13004313 is a deficient number, since it is larger than the sum of its proper divisors (6811815).

13004313 is an equidigital number, since it uses as much as digits as its factorization.

13004313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619263.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13004313 is about 3606.1493313505. The cubic root of 13004313 is about 235.1594692469.

Adding to 13004313 its reverse (31340031), we get a palindrome (44344344).

The spelling of 13004313 in words is "thirteen million, four thousand, three hundred thirteen".

Divisors: 1 3 7 21 619253 1857759 4334771 13004313