Base | Representation |
---|---|
bin | 111010011110… |
… | …101110101000 |
3 | 1001211212002210 |
4 | 322132232220 |
5 | 12411031331 |
6 | 1304325120 |
7 | 244206336 |
oct | 72365650 |
9 | 31755083 |
10 | 15330216 |
11 | 8720900 |
12 | 51737a0 |
13 | 3239a45 |
14 | 2070b56 |
15 | 152c446 |
hex | e9eba8 |
15330216 has 48 divisors (see below), whose sum is σ = 42134400. Its totient is φ = 4644640.
The previous prime is 15330193. The next prime is 15330221. The reversal of 15330216 is 61203351.
It is a junction number, because it is equal to n+sod(n) for n = 15330192 and 15330201.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265 + ... + 5543.
It is an arithmetic number, because the mean of its divisors is an integer number (877800).
Almost surely, 215330216 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 15330216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21067200).
15330216 is an abundant number, since it is smaller than the sum of its proper divisors (26804184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15330216 is a wasteful number, since it uses less digits than its factorization.
15330216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5310 (or 5295 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 15330216 is about 3915.3819737032. The cubic root of 15330216 is about 248.4178267005.
Adding to 15330216 its reverse (61203351), we get a palindrome (76533567).
The spelling of 15330216 in words is "fifteen million, three hundred thirty thousand, two hundred sixteen".
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