Base | Representation |
---|---|
bin | 100100111110… |
… | …0011011101101 |
3 | 1100110210220121 |
4 | 1021330123231 |
5 | 14430242140 |
6 | 1531244541 |
7 | 323522152 |
oct | 111743355 |
9 | 40423817 |
10 | 19384045 |
11 | aa3a57a |
12 | 65a9751 |
13 | 4028c65 |
14 | 2808229 |
15 | 1a7d64a |
hex | 127c6ed |
19384045 has 8 divisors (see below), whose sum is σ = 23316480. Its totient is φ = 15470160.
The previous prime is 19384033. The next prime is 19384049. The reversal of 19384045 is 54048391.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19384045 - 211 = 19381997 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 19384045.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19384049) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221 + ... + 6610.
It is an arithmetic number, because the mean of its divisors is an integer number (2914560).
Almost surely, 219384045 is an apocalyptic number.
It is an amenable number.
19384045 is a deficient number, since it is larger than the sum of its proper divisors (3932435).
19384045 is an equidigital number, since it uses as much as digits as its factorization.
19384045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9275.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 19384045 is about 4402.7315384884. The cubic root of 19384045 is about 268.6260564227.
The spelling of 19384045 in words is "nineteen million, three hundred eighty-four thousand, forty-five".
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