Base | Representation |
---|---|
bin | 110001001001… |
… | …011111110010 |
3 | 220020120110111 |
4 | 301021133302 |
5 | 11244241304 |
6 | 1140051534 |
7 | 214340356 |
oct | 61113762 |
9 | 26216414 |
10 | 12883954 |
11 | 72aa9a6 |
12 | 4393baa |
13 | 2891455 |
14 | 19d5466 |
15 | 11e7704 |
hex | c497f2 |
12883954 has 4 divisors (see below), whose sum is σ = 19325934. Its totient is φ = 6441976.
The previous prime is 12883951. The next prime is 12884017. The reversal of 12883954 is 45938821.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45938821 = 127 ⋅361723.
It can be written as a sum of positive squares in only one way, i.e., 12425625 + 458329 = 3525^2 + 677^2 .
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (12883951) 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 as a sum of consecutive naturals, namely, 3220987 + ... + 3220990.
Almost surely, 212883954 is an apocalyptic number.
12883954 is a deficient number, since it is larger than the sum of its proper divisors (6441980).
12883954 is an equidigital number, since it uses as much as digits as its factorization.
12883954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6441979.
The product of its digits is 69120, while the sum is 40.
The square root of 12883954 is about 3589.4225162274. The cubic root of 12883954 is about 234.4317278745.
The spelling of 12883954 in words is "twelve million, eight hundred eighty-three thousand, nine hundred fifty-four".
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