Base | Representation |
---|---|
bin | 10001001110011… |
… | …001000000100011 |
3 | 202010202222001201 |
4 | 101032121000203 |
5 | 1042440010443 |
6 | 44401542031 |
7 | 10106222140 |
oct | 2116310043 |
9 | 663688051 |
10 | 288985123 |
11 | 139140889 |
12 | 80944917 |
13 | 47b4231b |
14 | 2a5473c7 |
15 | 1a58534d |
hex | 11399023 |
288985123 has 8 divisors (see below), whose sum is σ = 334920960. Its totient is φ = 244212360.
The previous prime is 288985063. The next prime is 288985129. The reversal of 288985123 is 321589882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-288985123 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (288985129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290233 + ... + 291226.
It is an arithmetic number, because the mean of its divisors is an integer number (41865120).
Almost surely, 2288985123 is an apocalyptic number.
288985123 is a deficient number, since it is larger than the sum of its proper divisors (45935837).
288985123 is an equidigital number, since it uses as much as digits as its factorization.
288985123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 581537.
The product of its digits is 276480, while the sum is 46.
The square root of 288985123 is about 16999.5624355452. The cubic root of 288985123 is about 661.1375568850.
The spelling of 288985123 in words is "two hundred eighty-eight million, nine hundred eighty-five thousand, one hundred twenty-three".
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