Base | Representation |
---|---|
bin | 110011011100… |
… | …101101000001 |
3 | 221101012120022 |
4 | 303130231001 |
5 | 11423040123 |
6 | 1201023225 |
7 | 222431306 |
oct | 63345501 |
9 | 27335508 |
10 | 13486913 |
11 | 7681a10 |
12 | 4624b15 |
13 | 2a42a2b |
14 | 1b110ad |
15 | 12b61c8 |
hex | cdcb41 |
13486913 has 4 divisors (see below), whose sum is σ = 14713008. Its totient is φ = 12260820.
The previous prime is 13486871. The next prime is 13486927. The reversal of 13486913 is 31968431.
13486913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 13486913 - 28 = 13486657 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13486013) 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, 613031 + ... + 613052.
It is an arithmetic number, because the mean of its divisors is an integer number (3678252).
Almost surely, 213486913 is an apocalyptic number.
It is an amenable number.
13486913 is a deficient number, since it is larger than the sum of its proper divisors (1226095).
13486913 is a wasteful number, since it uses less digits than its factorization.
13486913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1226094.
The product of its digits is 15552, while the sum is 35.
The square root of 13486913 is about 3672.4532672316. The cubic root of 13486913 is about 238.0331910022.
The spelling of 13486913 in words is "thirteen million, four hundred eighty-six thousand, nine hundred thirteen".
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