Base | Representation |
---|---|
bin | 101101111001… |
… | …010011101000 |
3 | 211122020201022 |
4 | 231321103220 |
5 | 11034444313 |
6 | 1105512012 |
7 | 204156260 |
oct | 55712350 |
9 | 24566638 |
10 | 12031208 |
11 | 6878252 |
12 | 4042608 |
13 | 2653277 |
14 | 18527a0 |
15 | 10c9c08 |
hex | b794e8 |
12031208 has 32 divisors (see below), whose sum is σ = 26904960. Its totient is φ = 4931520.
The previous prime is 12031169. The next prime is 12031211. The reversal of 12031208 is 80213021.
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 7 ways as a sum of consecutive naturals, for example, 3383 + ... + 5958.
It is an arithmetic number, because the mean of its divisors is an integer number (840780).
Almost surely, 212031208 is an apocalyptic number.
It is an amenable number.
12031208 is an abundant number, since it is smaller than the sum of its proper divisors (14873752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031208 is a wasteful number, since it uses less digits than its factorization.
12031208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9377 (or 9373 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 12031208 is about 3468.6031770729. The cubic root of 12031208 is about 229.1411447207.
Adding to 12031208 its reverse (80213021), we get a palindrome (92244229).
The spelling of 12031208 in words is "twelve million, thirty-one thousand, two hundred eight".
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