Base | Representation |
---|---|
bin | 101111011010… |
… | …111111000100 |
3 | 212101120112112 |
4 | 233122333010 |
5 | 11140300200 |
6 | 1122240152 |
7 | 210443600 |
oct | 57327704 |
9 | 25346475 |
10 | 12431300 |
11 | 7020902 |
12 | 41b6058 |
13 | 27633cb |
14 | 1918500 |
15 | 1158535 |
hex | bdafc4 |
12431300 has 108 divisors (see below), whose sum is σ = 32654160. Its totient is φ = 4092480.
The previous prime is 12431281. The next prime is 12431317. The reversal of 12431300 is 313421.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 210671 + ... + 210729.
Almost surely, 212431300 is an apocalyptic number.
12431300 is a gapful number since it is divisible by the number (10) 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 12431300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16327080).
12431300 is an abundant number, since it is smaller than the sum of its proper divisors (20222860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12431300 is a wasteful number, since it uses less digits than its factorization.
12431300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130 (or 116 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 12431300 is about 3525.8048726496. The cubic root of 12431300 is about 231.6534908459.
Adding to 12431300 its reverse (313421), we get a palindrome (12744721).
The spelling of 12431300 in words is "twelve million, four hundred thirty-one thousand, three hundred".
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