Base | Representation |
---|---|
bin | 10001000100011… |
… | …100111101011111 |
3 | 201221212121022220 |
4 | 101010130331133 |
5 | 1041303123441 |
6 | 44230040423 |
7 | 10045121511 |
oct | 2104347537 |
9 | 657777286 |
10 | 286379871 |
11 | 137721488 |
12 | 7baa9113 |
13 | 4743c55b |
14 | 2a069bb1 |
15 | 1a21d466 |
hex | 1111cf5f |
286379871 has 8 divisors (see below), whose sum is σ = 390720000. Its totient is φ = 186479832.
The previous prime is 286379809. The next prime is 286379881. The reversal of 286379871 is 178973682.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 286379871 - 210 = 286378847 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (286379881) 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, 1109871 + ... + 1110128.
It is an arithmetic number, because the mean of its divisors is an integer number (48840000).
Almost surely, 2286379871 is an apocalyptic number.
286379871 is a deficient number, since it is larger than the sum of its proper divisors (104340129).
286379871 is a wasteful number, since it uses less digits than its factorization.
286379871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2220045.
The product of its digits is 1016064, while the sum is 51.
The square root of 286379871 is about 16922.7619199704. The cubic root of 286379871 is about 659.1447991397.
The spelling of 286379871 in words is "two hundred eighty-six million, three hundred seventy-nine thousand, eight hundred seventy-one".
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