Base | Representation |
---|---|
bin | 101111111100110… |
… | …110001010100000 |
3 | 2002001202210121112 |
4 | 233330312022200 |
5 | 3121421322043 |
6 | 211454442452 |
7 | 25635651500 |
oct | 5774661240 |
9 | 2061683545 |
10 | 804479648 |
11 | 383120515 |
12 | 1a5503428 |
13 | ca890b7b |
14 | 78bb3a00 |
15 | 4a95e518 |
hex | 2ff362a0 |
804479648 has 72 divisors (see below), whose sum is σ = 1922592672. Its totient is φ = 329771904.
The previous prime is 804479639. The next prime is 804479681. The reversal of 804479648 is 846974408.
It is a junction number, because it is equal to n+sod(n) for n = 804479596 and 804479605.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24911 + ... + 47217.
It is an arithmetic number, because the mean of its divisors is an integer number (26702676).
Almost surely, 2804479648 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 804479648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961296336).
804479648 is an abundant number, since it is smaller than the sum of its proper divisors (1118113024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
804479648 is a wasteful number, since it uses less digits than its factorization.
804479648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22354 (or 22339 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 50.
The square root of 804479648 is about 28363.3504367873. The cubic root of 804479648 is about 930.0472662607.
The spelling of 804479648 in words is "eight hundred four million, four hundred seventy-nine thousand, six hundred forty-eight".
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