Base | Representation |
---|---|
bin | 110000001011… |
… | …100101110000 |
3 | 212202200122000 |
4 | 300023211300 |
5 | 11213133014 |
6 | 1130414000 |
7 | 212233164 |
oct | 60134560 |
9 | 25680560 |
10 | 12630384 |
11 | 7147438 |
12 | 4291300 |
13 | 2802c00 |
14 | 196aca4 |
15 | 1197509 |
hex | c0b970 |
12630384 has 120 divisors (see below), whose sum is σ = 39484080. Its totient is φ = 3863808.
The previous prime is 12630379. The next prime is 12630389. The reversal of 12630384 is 48303621.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12630379) and next prime (12630389).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12630389) 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, 72922 + ... + 73094.
It is an arithmetic number, because the mean of its divisors is an integer number (329034).
Almost surely, 212630384 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 12630384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19742040).
12630384 is an abundant number, since it is smaller than the sum of its proper divisors (26853696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12630384 is a wasteful number, since it uses less digits than its factorization.
12630384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216 (or 191 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 12630384 is about 3553.9251539671. The cubic root of 12630384 is about 232.8835708038.
The spelling of 12630384 in words is "twelve million, six hundred thirty thousand, three hundred eighty-four".
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