Base | Representation |
---|---|
bin | 101101111101… |
… | …100111111010 |
3 | 211200010222012 |
4 | 231331213322 |
5 | 11041031030 |
6 | 1110125522 |
7 | 204261650 |
oct | 55754772 |
9 | 24603865 |
10 | 12048890 |
11 | 688a567 |
12 | 40508a2 |
13 | 265b329 |
14 | 1858dd0 |
15 | 10d0095 |
hex | b7d9fa |
12048890 has 16 divisors (see below), whose sum is σ = 24786432. Its totient is φ = 4131024.
The previous prime is 12048889. The next prime is 12048899. The reversal of 12048890 is 9884021.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (12048899) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85994 + ... + 86133.
It is an arithmetic number, because the mean of its divisors is an integer number (1549152).
Almost surely, 212048890 is an apocalyptic number.
12048890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12048890 is an abundant number, since it is smaller than the sum of its proper divisors (12737542).
12048890 is a wasteful number, since it uses less digits than its factorization.
12048890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172141.
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 12048890 is about 3471.1511059013. The cubic root of 12048890 is about 229.2533443284.
The spelling of 12048890 in words is "twelve million, forty-eight thousand, eight hundred ninety".
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