Base | Representation |
---|---|
bin | 1010010000100111010000 |
3 | 12001122021200 |
4 | 22100213100 |
5 | 1142030423 |
6 | 133351200 |
7 | 31601034 |
oct | 12204720 |
9 | 5048250 |
10 | 2689488 |
11 | 157771a |
12 | a98500 |
13 | 732219 |
14 | 5001c4 |
15 | 381d43 |
hex | 2909d0 |
2689488 has 60 divisors (see below), whose sum is σ = 7931040. Its totient is φ = 848448.
The previous prime is 2689487. The next prime is 2689499. The reversal of 2689488 is 8849862.
It is a happy number.
2689488 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a nude number because it is divisible by every one of its digits.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2689483) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2245 + ... + 3227.
It is an arithmetic number, because the mean of its divisors is an integer number (132184).
22689488 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 2689488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3965520).
2689488 is an abundant number, since it is smaller than the sum of its proper divisors (5241552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2689488 is a wasteful number, since it uses less digits than its factorization.
2689488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1016 (or 1007 counting only the distinct ones).
The product of its digits is 221184, while the sum is 45.
The square root of 2689488 is about 1639.9658533030. The cubic root of 2689488 is about 139.0667174498.
The spelling of 2689488 in words is "two million, six hundred eighty-nine thousand, four hundred eighty-eight".
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