Base | Representation |
---|---|
bin | 100111111011011100000 |
3 | 2110110202200 |
4 | 10333123200 |
5 | 313332014 |
6 | 44013200 |
7 | 14056350 |
oct | 4773340 |
9 | 2413680 |
10 | 1308384 |
11 | 814010 |
12 | 531200 |
13 | 36a6bc |
14 | 260b60 |
15 | 1aca09 |
hex | 13f6e0 |
1308384 has 144 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 334080.
The previous prime is 1308383. The next prime is 1308403. The reversal of 1308384 is 4838031.
It is a tau number, because it is divible by the number of its divisors (144).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1308383) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22147 + ... + 22205.
It is an arithmetic number, because the mean of its divisors is an integer number (32760).
21308384 is an apocalyptic number.
1308384 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 1308384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358720).
1308384 is an abundant number, since it is smaller than the sum of its proper divisors (3409056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1308384 is a wasteful number, since it uses less digits than its factorization.
1308384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93 (or 82 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 1308384 is about 1143.8461435001. The cubic root of 1308384 is about 109.3734072149.
The spelling of 1308384 in words is "one million, three hundred eight thousand, three hundred eighty-four".
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