Base | Representation |
---|---|
bin | 110001001001… |
… | …110110101000 |
3 | 220020122110122 |
4 | 301021312220 |
5 | 11244313131 |
6 | 1140102412 |
7 | 214344545 |
oct | 61116650 |
9 | 26218418 |
10 | 12885416 |
11 | 7301005 |
12 | 4394a08 |
13 | 289200b |
14 | 19d5bcc |
15 | 11e7d7b |
hex | c49da8 |
12885416 has 16 divisors (see below), whose sum is σ = 24241140. Its totient is φ = 6421120.
The previous prime is 12885409. The next prime is 12885419. The reversal of 12885416 is 61458821.
It can be written as a sum of positive squares in 2 ways, for example, as 10176100 + 2709316 = 3190^2 + 1646^2 .
It is not an unprimeable number, because it can be changed into a prime (12885419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 5076.
Almost surely, 212885416 is an apocalyptic number.
It is an amenable number.
12885416 is a deficient number, since it is larger than the sum of its proper divisors (11355724).
12885416 is a wasteful number, since it uses less digits than its factorization.
12885416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5404 (or 5400 counting only the distinct ones).
The product of its digits is 15360, while the sum is 35.
The square root of 12885416 is about 3589.6261643798. The cubic root of 12885416 is about 234.4405948787.
The spelling of 12885416 in words is "twelve million, eight hundred eighty-five thousand, four hundred sixteen".
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