Base | Representation |
---|---|
bin | 101101111011… |
… | …001010000000 |
3 | 211122122002220 |
4 | 231323022000 |
5 | 11040220114 |
6 | 1110011040 |
7 | 204220332 |
oct | 55731200 |
9 | 24578086 |
10 | 12038784 |
11 | 6882a0a |
12 | 4046a80 |
13 | 2656854 |
14 | 1855452 |
15 | 10cc0a9 |
hex | b7b280 |
12038784 has 64 divisors (see below), whose sum is σ = 32387040. Its totient is φ = 3961856.
The previous prime is 12038779. The next prime is 12038797. The reversal of 12038784 is 48783021.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 40942 + ... + 41234.
Almost surely, 212038784 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12038784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16193520).
12038784 is an abundant number, since it is smaller than the sum of its proper divisors (20348256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12038784 is a wasteful number, since it uses less digits than its factorization.
12038784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417 (or 405 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 12038784 is about 3469.6950874681. The cubic root of 12038784 is about 229.1892310270.
The spelling of 12038784 in words is "twelve million, thirty-eight thousand, seven hundred eighty-four".
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