Base | Representation |
---|---|
bin | 1010111111001100011111 |
3 | 12102100000022 |
4 | 22333030133 |
5 | 1214132122 |
6 | 141422355 |
7 | 33324224 |
oct | 12771437 |
9 | 5370008 |
10 | 2880287 |
11 | 1698003 |
12 | b6a9bb |
13 | 79b017 |
14 | 54d94b |
15 | 3bd642 |
hex | 2bf31f |
2880287 has 4 divisors (see below), whose sum is σ = 2884560. Its totient is φ = 2876016.
The previous prime is 2880281. The next prime is 2880299. The reversal of 2880287 is 7820882.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7820882 = 2 ⋅3910441.
It is a cyclic number.
It is not a de Polignac number, because 2880287 - 24 = 2880271 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2880281) 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, 878 + ... + 2555.
It is an arithmetic number, because the mean of its divisors is an integer number (721140).
22880287 is an apocalyptic number.
2880287 is a deficient number, since it is larger than the sum of its proper divisors (4273).
2880287 is an equidigital number, since it uses as much as digits as its factorization.
2880287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4272.
The product of its (nonzero) digits is 14336, while the sum is 35.
The square root of 2880287 is about 1697.1408309271. The cubic root of 2880287 is about 142.2804580799.
The spelling of 2880287 in words is "two million, eight hundred eighty thousand, two hundred eighty-seven".
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