Base | Representation |
---|---|
bin | 101111011010… |
… | …111100000000 |
3 | 212101120021021 |
4 | 233122330000 |
5 | 11140243404 |
6 | 1122235224 |
7 | 210443200 |
oct | 57327400 |
9 | 25346237 |
10 | 12431104 |
11 | 7020744 |
12 | 41b5b14 |
13 | 27632aa |
14 | 1918400 |
15 | 1158454 |
hex | bdaf00 |
12431104 has 54 divisors (see below), whose sum is σ = 28893984. Its totient is φ = 5322240.
The previous prime is 12431099. The next prime is 12431117. The reversal of 12431104 is 40113421.
12431104 is nontrivially palindromic in base 12.
12431104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12049 + ... + 13039.
Almost surely, 212431104 is an apocalyptic number.
12431104 is a gapful number since it is divisible by the number (14) 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 12431104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14446992).
12431104 is an abundant number, since it is smaller than the sum of its proper divisors (16462880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12431104 is an frugal number, since it uses more digits than its factorization.
12431104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1021 (or 1000 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 12431104 is about 3525.7770774682. Note that the first 3 decimals coincide. The cubic root of 12431104 is about 231.6522733727.
Adding to 12431104 its reverse (40113421), we get a palindrome (52544525).
The spelling of 12431104 in words is "twelve million, four hundred thirty-one thousand, one hundred four".
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