Base | Representation |
---|---|
bin | 10110101010101… |
… | …011011011011111 |
3 | 222111120120021010 |
4 | 112222223123133 |
5 | 1234323133222 |
6 | 101422510303 |
7 | 12265245354 |
oct | 2652533337 |
9 | 874516233 |
10 | 380286687 |
11 | 185731020 |
12 | a7435393 |
13 | 60a2b811 |
14 | 3871262b |
15 | 235bc80c |
hex | 16aab6df |
380286687 has 8 divisors (see below), whose sum is σ = 553144320. Its totient is φ = 230476760.
The previous prime is 380286677. The next prime is 380286689. The reversal of 380286687 is 786682083.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 380286687 - 24 = 380286671 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380286689) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 5761887 + ... + 5761952.
It is an arithmetic number, because the mean of its divisors is an integer number (69143040).
Almost surely, 2380286687 is an apocalyptic number.
380286687 is a deficient number, since it is larger than the sum of its proper divisors (172857633).
380286687 is a wasteful number, since it uses less digits than its factorization.
380286687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11523853.
The product of its (nonzero) digits is 774144, while the sum is 48.
The square root of 380286687 is about 19500.9406696190. The cubic root of 380286687 is about 724.4977493273.
The spelling of 380286687 in words is "three hundred eighty million, two hundred eighty-six thousand, six hundred eighty-seven".
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