Base | Representation |
---|---|
bin | 101110110110… |
… | …010000111100 |
3 | 212002221012212 |
4 | 232312100330 |
5 | 11120442032 |
6 | 1115115552 |
7 | 206246231 |
oct | 56662074 |
9 | 25087185 |
10 | 12280892 |
11 | 6a288a8 |
12 | 4142bb8 |
13 | 270cb00 |
14 | 18b9788 |
15 | 1128bb2 |
hex | bb643c |
12280892 has 36 divisors (see below), whose sum is σ = 23949576. Its totient is φ = 5503680.
The previous prime is 12280883. The next prime is 12280901. The reversal of 12280892 is 29808221.
It is an interprime number because it is at equal distance from previous prime (12280883) and next prime (12280901).
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 24767 + ... + 25257.
It is an arithmetic number, because the mean of its divisors is an integer number (665266).
Almost surely, 212280892 is an apocalyptic number.
It is an amenable number.
12280892 is a deficient number, since it is larger than the sum of its proper divisors (11668684).
12280892 is a wasteful number, since it uses less digits than its factorization.
12280892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 558 (or 543 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 12280892 is about 3504.4103640984. The cubic root of 12280892 is about 230.7154282664.
The spelling of 12280892 in words is "twelve million, two hundred eighty thousand, eight hundred ninety-two".
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