Base | Representation |
---|---|
bin | 111110011111… |
… | …001111011111 |
3 | 1010211020100211 |
4 | 332133033133 |
5 | 13143142040 |
6 | 1343033251 |
7 | 256143466 |
oct | 76371737 |
9 | 33736324 |
10 | 16380895 |
11 | 9279233 |
12 | 559b827 |
13 | 351704b |
14 | 22659dd |
15 | 16888ea |
hex | f9f3df |
16380895 has 16 divisors (see below), whose sum is σ = 20100960. Its totient is φ = 12812800.
The previous prime is 16380857. The next prime is 16380901. The reversal of 16380895 is 59808361.
It is a happy number.
It is not a de Polignac number, because 16380895 - 29 = 16380383 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58155 + ... + 58435.
It is an arithmetic number, because the mean of its divisors is an integer number (1256310).
Almost surely, 216380895 is an apocalyptic number.
16380895 is a deficient number, since it is larger than the sum of its proper divisors (3720065).
16380895 is a wasteful number, since it uses less digits than its factorization.
16380895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 506.
The product of its (nonzero) digits is 51840, while the sum is 40.
The square root of 16380895 is about 4047.3318371490. The cubic root of 16380895 is about 253.9681227691.
The spelling of 16380895 in words is "sixteen million, three hundred eighty thousand, eight hundred ninety-five".
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