Base | Representation |
---|---|
bin | 1010101100111011110000 |
3 | 12021112101222 |
4 | 22230323300 |
5 | 1204233423 |
6 | 140044212 |
7 | 32563160 |
oct | 12547360 |
9 | 5245358 |
10 | 2805488 |
11 | 1646894 |
12 | b33668 |
13 | 772c6a |
14 | 5305a0 |
15 | 3a63c8 |
hex | 2acef0 |
2805488 has 40 divisors (see below), whose sum is σ = 6389472. Its totient is φ = 1168128.
The previous prime is 2805487. The next prime is 2805497. The reversal of 2805488 is 8845082.
2805488 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.
2805488 is strictly pandigital in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2805487) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3806 + ... + 4482.
22805488 is an apocalyptic number.
2805488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2805488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3194736).
2805488 is an abundant number, since it is smaller than the sum of its proper divisors (3583984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2805488 is a wasteful number, since it uses less digits than its factorization.
2805488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 729 (or 723 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 35.
The square root of 2805488 is about 1674.9591039784. The cubic root of 2805488 is about 141.0379992481.
The spelling of 2805488 in words is "two million, eight hundred five thousand, four hundred eighty-eight".
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