Base | Representation |
---|---|
bin | 101101110111… |
… | …100001111000 |
3 | 211121212201200 |
4 | 231313201320 |
5 | 11034231203 |
6 | 1105414200 |
7 | 204126120 |
oct | 55674170 |
9 | 24555650 |
10 | 12023928 |
11 | 6872834 |
12 | 403a360 |
13 | 264cb67 |
14 | 184dc80 |
15 | 10c79a3 |
hex | b77878 |
12023928 has 48 divisors (see below), whose sum is σ = 37218480. Its totient is φ = 3435264.
The previous prime is 12023923. The next prime is 12023929. The reversal of 12023928 is 82932021.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12023923) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11425 + ... + 12432.
It is an arithmetic number, because the mean of its divisors is an integer number (775385).
Almost surely, 212023928 is an apocalyptic number.
12023928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12023928 is an abundant number, since it is smaller than the sum of its proper divisors (25194552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12023928 is a wasteful number, since it uses less digits than its factorization.
12023928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23876 (or 23869 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 12023928 is about 3467.5536044883. The cubic root of 12023928 is about 229.0949181598.
Adding to 12023928 its reverse (82932021), we get a palindrome (94955949).
The spelling of 12023928 in words is "twelve million, twenty-three thousand, nine hundred twenty-eight".
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