Base | Representation |
---|---|
bin | 101101110010… |
… | …110111011110 |
3 | 211120220112100 |
4 | 231302313132 |
5 | 11033123310 |
6 | 1105145530 |
7 | 204016335 |
oct | 55626736 |
9 | 24526470 |
10 | 12004830 |
11 | 685a452 |
12 | 402b2a6 |
13 | 2644266 |
14 | 1846d1c |
15 | 10c1ec0 |
hex | b72dde |
12004830 has 24 divisors (see below), whose sum is σ = 31212792. Its totient is φ = 3201264.
The previous prime is 12004829. The next prime is 12004847. The reversal of 12004830 is 3840021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66604 + ... + 66783.
It is an arithmetic number, because the mean of its divisors is an integer number (1300533).
Almost surely, 212004830 is an apocalyptic number.
12004830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12004830 is an abundant number, since it is smaller than the sum of its proper divisors (19207962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12004830 is a wasteful number, since it uses less digits than its factorization.
12004830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133400 (or 133397 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 12004830 is about 3464.7986954512. The cubic root of 12004830 is about 228.9735608893.
Adding to 12004830 its reverse (3840021), we get a palindrome (15844851).
The spelling of 12004830 in words is "twelve million, four thousand, eight hundred thirty".
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