Base | Representation |
---|---|
bin | 110010101100… |
… | …101001100111 |
3 | 221000012120110 |
4 | 302230221213 |
5 | 11400240322 |
6 | 1152504103 |
7 | 220651416 |
oct | 62545147 |
9 | 27005513 |
10 | 13290087 |
11 | 7558048 |
12 | 454b033 |
13 | 29a4275 |
14 | 1a9d47d |
15 | 1277c0c |
hex | caca67 |
13290087 has 8 divisors (see below), whose sum is σ = 17797104. Its totient is φ = 8821568.
The previous prime is 13290083. The next prime is 13290119. The reversal of 13290087 is 78009231.
It is a happy number.
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 13290087 - 22 = 13290083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13290083) 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, 8808 + ... + 10205.
It is an arithmetic number, because the mean of its divisors is an integer number (2224638).
Almost surely, 213290087 is an apocalyptic number.
13290087 is a deficient number, since it is larger than the sum of its proper divisors (4507017).
13290087 is a wasteful number, since it uses less digits than its factorization.
13290087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19249.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 13290087 is about 3645.5571590636. The cubic root of 13290087 is about 236.8695716320.
The spelling of 13290087 in words is "thirteen million, two hundred ninety thousand, eighty-seven".
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