Base | Representation |
---|---|
bin | 110011000111… |
… | …110100000101 |
3 | 221012212012021 |
4 | 303013310011 |
5 | 11412320344 |
6 | 1155123141 |
7 | 221623663 |
oct | 63076405 |
9 | 27185167 |
10 | 13401349 |
11 | 76236a5 |
12 | 45a34b1 |
13 | 2a12ac0 |
14 | 1acbc33 |
15 | 129ab84 |
hex | cc7d05 |
13401349 has 4 divisors (see below), whose sum is σ = 14432236. Its totient is φ = 12370464.
The previous prime is 13401343. The next prime is 13401359. The reversal of 13401349 is 94310431.
It is a happy number.
13401349 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.
It can be written as a sum of positive squares in 2 ways, for example, as 6796449 + 6604900 = 2607^2 + 2570^2 .
It is a cyclic number.
It is not a de Polignac number, because 13401349 - 25 = 13401317 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13401343) 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, 515424 + ... + 515449.
It is an arithmetic number, because the mean of its divisors is an integer number (3608059).
Almost surely, 213401349 is an apocalyptic number.
It is an amenable number.
13401349 is a deficient number, since it is larger than the sum of its proper divisors (1030887).
13401349 is a wasteful number, since it uses less digits than its factorization.
13401349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1030886.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 13401349 is about 3660.7852982659. The cubic root of 13401349 is about 237.5287440741.
The spelling of 13401349 in words is "thirteen million, four hundred one thousand, three hundred forty-nine".
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