Base | Representation |
---|---|
bin | 101110111011… |
… | …000010001100 |
3 | 212010221000102 |
4 | 232323002030 |
5 | 11122103203 |
6 | 1115350232 |
7 | 206360210 |
oct | 56730214 |
9 | 25127012 |
10 | 12300428 |
11 | 6a41548 |
12 | 4152378 |
13 | 271897a |
14 | 18c2940 |
15 | 112e888 |
hex | bbb08c |
12300428 has 48 divisors (see below), whose sum is σ = 26148864. Its totient is φ = 4950720.
The previous prime is 12300403. The next prime is 12300443. The reversal of 12300428 is 82400321.
12300428 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
12300428 is strictly pandigital in base 8.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31925 + ... + 32307.
It is an arithmetic number, because the mean of its divisors is an integer number (544768).
Almost surely, 212300428 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12300428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13074432).
12300428 is an abundant number, since it is smaller than the sum of its proper divisors (13848436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12300428 is a wasteful number, since it uses less digits than its factorization.
12300428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 462 (or 460 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 12300428 is about 3507.1966012757. The cubic root of 12300428 is about 230.8377013804.
Adding to 12300428 its reverse (82400321), we get a palindrome (94700749).
The spelling of 12300428 in words is "twelve million, three hundred thousand, four hundred twenty-eight".
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