Base | Representation |
---|---|
bin | 110010111011… |
… | …001000111100 |
3 | 221010012222120 |
4 | 302323020330 |
5 | 11404140221 |
6 | 1154042540 |
7 | 221316432 |
oct | 62731074 |
9 | 27105876 |
10 | 13349436 |
11 | 75986a1 |
12 | 4579450 |
13 | 29c5299 |
14 | 1ab6d52 |
15 | 128a5c6 |
hex | cbb23c |
13349436 has 48 divisors (see below), whose sum is σ = 32702208. Its totient is φ = 4233600.
The previous prime is 13349411. The next prime is 13349443. The reversal of 13349436 is 63494331.
It is a junction number, because it is equal to n+sod(n) for n = 13349397 and 13349406.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 20841 + ... + 21471.
It is an arithmetic number, because the mean of its divisors is an integer number (681296).
Almost surely, 213349436 is an apocalyptic number.
It is an amenable number.
13349436 is an abundant number, since it is smaller than the sum of its proper divisors (19352772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13349436 is a wasteful number, since it uses less digits than its factorization.
13349436 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 722 (or 720 counting only the distinct ones).
The product of its digits is 23328, while the sum is 33.
The square root of 13349436 is about 3653.6879998161. The cubic root of 13349436 is about 237.2216410085.
The spelling of 13349436 in words is "thirteen million, three hundred forty-nine thousand, four hundred thirty-six".
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