Base | Representation |
---|---|
bin | 101110111011… |
… | …000010010000 |
3 | 212010221000120 |
4 | 232323002100 |
5 | 11122103212 |
6 | 1115350240 |
7 | 206360214 |
oct | 56730220 |
9 | 25127016 |
10 | 12300432 |
11 | 6a41551 |
12 | 4152380 |
13 | 2718981 |
14 | 18c2944 |
15 | 112e88c |
hex | bbb090 |
12300432 has 40 divisors (see below), whose sum is σ = 32081280. Its totient is φ = 4060800.
The previous prime is 12300403. The next prime is 12300443. The reversal of 12300432 is 23400321.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4057 + ... + 6407.
It is an arithmetic number, because the mean of its divisors is an integer number (802032).
Almost surely, 212300432 is an apocalyptic number.
12300432 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 12300432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16040640).
12300432 is an abundant number, since it is smaller than the sum of its proper divisors (19780848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12300432 is a wasteful number, since it uses less digits than its factorization.
12300432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2471 (or 2465 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 12300432 is about 3507.1971715317. The cubic root of 12300432 is about 230.8377264025.
Adding to 12300432 its reverse (23400321), we get a palindrome (35700753).
The spelling of 12300432 in words is "twelve million, three hundred thousand, four hundred thirty-two".
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