Base | Representation |
---|---|
bin | 1000101110101110101011 |
3 | 11022021022022 |
4 | 20232232223 |
5 | 1041213210 |
6 | 121015055 |
7 | 25311113 |
oct | 10565653 |
9 | 4267268 |
10 | 2288555 |
11 | 1323475 |
12 | 92448b |
13 | 621899 |
14 | 438043 |
15 | 303155 |
hex | 22ebab |
2288555 has 4 divisors (see below), whose sum is σ = 2746272. Its totient is φ = 1830840.
The previous prime is 2288527. The next prime is 2288563. The reversal of 2288555 is 5558822.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5558822 = 2 ⋅2779411.
It is not a de Polignac number, because 2288555 - 210 = 2287531 is a prime.
It is a Duffinian number.
It is a zygodrome in base 10.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228851 + ... + 228860.
It is an arithmetic number, because the mean of its divisors is an integer number (686568).
22288555 is an apocalyptic number.
2288555 is a deficient number, since it is larger than the sum of its proper divisors (457717).
2288555 is an equidigital number, since it uses as much as digits as its factorization.
2288555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 457716.
The product of its digits is 32000, while the sum is 35.
The square root of 2288555 is about 1512.7970782626. The cubic root of 2288555 is about 131.7812991613.
The spelling of 2288555 in words is "two million, two hundred eighty-eight thousand, five hundred fifty-five".
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