Base | Representation |
---|---|
bin | 110001100111… |
… | …101010010010 |
3 | 220110211221111 |
4 | 301213222102 |
5 | 11312220011 |
6 | 1142443534 |
7 | 215363521 |
oct | 61475222 |
9 | 26424844 |
10 | 13007506 |
11 | 7384806 |
12 | 44335aa |
13 | 2905765 |
14 | 1a284b8 |
15 | 121e121 |
hex | c67a92 |
13007506 has 8 divisors (see below), whose sum is σ = 19712700. Its totient is φ = 6436608.
The previous prime is 13007483. The next prime is 13007509. The reversal of 13007506 is 60570031.
13007506 is nontrivially palindromic in base 15.
13007506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12895281 + 112225 = 3591^2 + 335^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (13007509) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33331 + ... + 33718.
Almost surely, 213007506 is an apocalyptic number.
13007506 is a deficient number, since it is larger than the sum of its proper divisors (6705194).
13007506 is an equidigital number, since it uses as much as digits as its factorization.
13007506 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67148.
The product of its (nonzero) digits is 630, while the sum is 22.
The square root of 13007506 is about 3606.5920201764. The cubic root of 13007506 is about 235.1787142143.
Adding to 13007506 its reverse (60570031), we get a palindrome (73577537).
The spelling of 13007506 in words is "thirteen million, seven thousand, five hundred six".
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