Base | Representation |
---|---|
bin | 101110111100… |
… | …000010000000 |
3 | 212011010121200 |
4 | 232330002000 |
5 | 11122221022 |
6 | 1115421200 |
7 | 206405133 |
oct | 56740200 |
9 | 25133550 |
10 | 12304512 |
11 | 6a44620 |
12 | 4154800 |
13 | 271a79c |
14 | 18c421a |
15 | 1130bac |
hex | bbc080 |
12304512 has 96 divisors (see below), whose sum is σ = 38666160. Its totient is φ = 3724800.
The previous prime is 12304511. The next prime is 12304519. The reversal of 12304512 is 21540321.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (12304511) 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, 12187 + ... + 13157.
Almost surely, 212304512 is an apocalyptic number.
12304512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12304512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19333080).
12304512 is an abundant number, since it is smaller than the sum of its proper divisors (26361648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12304512 is a wasteful number, since it uses less digits than its factorization.
12304512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1002 (or 987 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 12304512 is about 3507.7787843591. The cubic root of 12304512 is about 230.8632462057.
Adding to 12304512 its reverse (21540321), we get a palindrome (33844833).
The spelling of 12304512 in words is "twelve million, three hundred four thousand, five hundred twelve".
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