Base | Representation |
---|---|
bin | 101101110111… |
… | …100011101000 |
3 | 211121212212211 |
4 | 231313203220 |
5 | 11034232130 |
6 | 1105414504 |
7 | 204126340 |
oct | 55674350 |
9 | 24555784 |
10 | 12024040 |
11 | 6872926 |
12 | 403a434 |
13 | 264cc22 |
14 | 184dd20 |
15 | 10c7a2a |
hex | b778e8 |
12024040 has 32 divisors (see below), whose sum is σ = 30919680. Its totient is φ = 4122432.
The previous prime is 12024007. The next prime is 12024041. The reversal of 12024040 is 4042021.
It is a self number, because there is not a number n which added to its sum of digits gives 12024040.
It is not an unprimeable number, because it can be changed into a prime (12024041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21192 + ... + 21751.
It is an arithmetic number, because the mean of its divisors is an integer number (966240).
Almost surely, 212024040 is an apocalyptic number.
12024040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12024040 is an abundant number, since it is smaller than the sum of its proper divisors (18895640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12024040 is a wasteful number, since it uses less digits than its factorization.
12024040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42961 (or 42957 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
The square root of 12024040 is about 3467.5697541650. The cubic root of 12024040 is about 229.0956294789.
Adding to 12024040 its reverse (4042021), we get a palindrome (16066061).
The spelling of 12024040 in words is "twelve million, twenty-four thousand, forty".
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