Base | Representation |
---|---|
bin | 1010101100111010011100 |
3 | 12021112021212 |
4 | 22230322130 |
5 | 1204233104 |
6 | 140043552 |
7 | 32563010 |
oct | 12547234 |
9 | 5245255 |
10 | 2805404 |
11 | 1646818 |
12 | b335b8 |
13 | 772c04 |
14 | 530540 |
15 | 3a636e |
hex | 2ace9c |
2805404 has 12 divisors (see below), whose sum is σ = 5610864. Its totient is φ = 1202304.
The previous prime is 2805403. The next prime is 2805443. The reversal of 2805404 is 4045082.
2805404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
2805404 is an admirable number.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 2805404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2805403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50069 + ... + 50124.
It is an arithmetic number, because the mean of its divisors is an integer number (467572).
22805404 is an apocalyptic number.
It is an amenable number.
2805404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2805404 is a wasteful number, since it uses less digits than its factorization.
2805404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100204 (or 100202 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 2805404 is about 1674.9340285516. The cubic root of 2805404 is about 141.0365916130.
The spelling of 2805404 in words is "two million, eight hundred five thousand, four hundred four".
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