Base | Representation |
---|---|
bin | 111110011111… |
… | …001110100110 |
3 | 1010211020021201 |
4 | 332133032212 |
5 | 13143141323 |
6 | 1343033114 |
7 | 256143355 |
oct | 76371646 |
9 | 33736251 |
10 | 16380838 |
11 | 9279191 |
12 | 559b79a |
13 | 3517006 |
14 | 226599c |
15 | 16888ad |
hex | f9f3a6 |
16380838 has 8 divisors (see below), whose sum is σ = 24588432. Its totient is φ = 8184696.
The previous prime is 16380799. The next prime is 16380839. The reversal of 16380838 is 83808361.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 16380797 and 16380806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16380839) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4231 + ... + 7117.
It is an arithmetic number, because the mean of its divisors is an integer number (3073554).
Almost surely, 216380838 is an apocalyptic number.
16380838 is a deficient number, since it is larger than the sum of its proper divisors (8207594).
16380838 is a wasteful number, since it uses less digits than its factorization.
16380838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5726.
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 16380838 is about 4047.3247954668. The cubic root of 16380838 is about 253.9678281943.
The spelling of 16380838 in words is "sixteen million, three hundred eighty thousand, eight hundred thirty-eight".
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