Base | Representation |
---|---|
bin | 101111001111… |
… | …110011101100 |
3 | 212022020201211 |
4 | 233033303230 |
5 | 11132314031 |
6 | 1121244204 |
7 | 210163243 |
oct | 57176354 |
9 | 25266654 |
10 | 12385516 |
11 | 6a9a470 |
12 | 4193664 |
13 | 2748610 |
14 | 190595a |
15 | 1149bb1 |
hex | bcfcec |
12385516 has 48 divisors (see below), whose sum is σ = 25966080. Its totient is φ = 5094720.
The previous prime is 12385493. The next prime is 12385519. The reversal of 12385516 is 61558321.
It is not an unprimeable number, because it can be changed into a prime (12385519) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33565 + ... + 33931.
It is an arithmetic number, because the mean of its divisors is an integer number (540960).
Almost surely, 212385516 is an apocalyptic number.
It is an amenable number.
12385516 is an abundant number, since it is smaller than the sum of its proper divisors (13580564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12385516 is a wasteful number, since it uses less digits than its factorization.
12385516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 454 (or 452 counting only the distinct ones).
The product of its digits is 7200, while the sum is 31.
The square root of 12385516 is about 3519.3061816216. The cubic root of 12385516 is about 231.3687506965.
The spelling of 12385516 in words is "twelve million, three hundred eighty-five thousand, five hundred sixteen".
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