Base | Representation |
---|---|
bin | 1000010001100111001000 |
3 | 11002012201000 |
4 | 20101213020 |
5 | 1023404123 |
6 | 114255000 |
7 | 24303312 |
oct | 10214710 |
9 | 4065630 |
10 | 2169288 |
11 | 1251900 |
12 | 887460 |
13 | 5ac504 |
14 | 4067b2 |
15 | 2ccb43 |
hex | 2119c8 |
2169288 has 96 divisors (see below), whose sum is σ = 6703200. Its totient is φ = 649440.
The previous prime is 2169281. The next prime is 2169289. The reversal of 2169288 is 8829612.
2169288 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×21692883 = 30624774268333487616, which contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a d-powerful number, because it can be written as 25 + 1 + 6 + 94 + 221 + 85 + 85 .
It is not an unprimeable number, because it can be changed into a prime (2169281) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26095 + ... + 26177.
It is an arithmetic number, because the mean of its divisors is an integer number (69825).
22169288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2169288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351600).
2169288 is an abundant number, since it is smaller than the sum of its proper divisors (4533912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2169288 is a wasteful number, since it uses less digits than its factorization.
2169288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120 (or 99 counting only the distinct ones).
The product of its digits is 13824, while the sum is 36.
The square root of 2169288 is about 1472.8502978918. The cubic root of 2169288 is about 129.4510978479.
The spelling of 2169288 in words is "two million, one hundred sixty-nine thousand, two hundred eighty-eight".
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