Base | Representation |
---|---|
bin | 101110100000100… |
… | …100000000110000 |
3 | 2000101020201222100 |
4 | 232200210000300 |
5 | 3044223204143 |
6 | 205232140400 |
7 | 25223224161 |
oct | 5640440060 |
9 | 2011221870 |
10 | 780288048 |
11 | 3704a7a61 |
12 | 199397700 |
13 | c5870907 |
14 | 758b7768 |
15 | 487816d3 |
hex | 2e824030 |
780288048 has 120 divisors (see below), whose sum is σ = 2342461680. Its totient is φ = 241712640.
The previous prime is 780288023. The next prime is 780288071. The reversal of 780288048 is 840882087.
It is a junction number, because it is equal to n+sod(n) for n = 780287994 and 780288012.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142318 + ... + 147698.
It is an arithmetic number, because the mean of its divisors is an integer number (19520514).
Almost surely, 2780288048 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 780288048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171230840).
780288048 is an abundant number, since it is smaller than the sum of its proper divisors (1562173632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
780288048 is a wasteful number, since it uses less digits than its factorization.
780288048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5467 (or 5458 counting only the distinct ones).
The product of its (nonzero) digits is 229376, while the sum is 45.
The square root of 780288048 is about 27933.6364979571. The cubic root of 780288048 is about 920.6297075154.
The spelling of 780288048 in words is "seven hundred eighty million, two hundred eighty-eight thousand, forty-eight".
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