Base | Representation |
---|---|
bin | 101111111110011… |
… | …001111110000000 |
3 | 2002002112120101021 |
4 | 233332121332000 |
5 | 3122022412243 |
6 | 211511315224 |
7 | 25642303360 |
oct | 5776317600 |
9 | 2062476337 |
10 | 804888448 |
11 | 38337a671 |
12 | 1a567bb14 |
13 | ca9a4c70 |
14 | 78c7c9a0 |
15 | 4a9e06ed |
hex | 2ff99f80 |
804888448 has 128 divisors (see below), whose sum is σ = 2020677120. Its totient is φ = 310818816.
The previous prime is 804888391. The next prime is 804888449. The reversal of 804888448 is 844888408.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (52).
It is a junction number, because it is equal to n+sod(n) for n = 804888395 and 804888404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (804888449) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500061 + ... + 501667.
It is an arithmetic number, because the mean of its divisors is an integer number (15786540).
Almost surely, 2804888448 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 804888448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1010338560).
804888448 is an abundant number, since it is smaller than the sum of its proper divisors (1215788672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
804888448 is a wasteful number, since it uses less digits than its factorization.
804888448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1684 (or 1672 counting only the distinct ones).
The product of its (nonzero) digits is 2097152, while the sum is 52.
The square root of 804888448 is about 28370.5560044212. The cubic root of 804888448 is about 930.2047755033.
The spelling of 804888448 in words is "eight hundred four million, eight hundred eighty-eight thousand, four hundred forty-eight".
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