Base | Representation |
---|---|
bin | 1001011001001… |
… | …00000011000000 |
3 | 12111020222201120 |
4 | 10230210003000 |
5 | 130132301343 |
6 | 11452432240 |
7 | 1644465633 |
oct | 454440300 |
9 | 174228646 |
10 | 78790848 |
11 | 40525804 |
12 | 22478680 |
13 | 13428c06 |
14 | a66dc1a |
15 | 6db5683 |
hex | 4b240c0 |
78790848 has 56 divisors (see below), whose sum is σ = 213573360. Its totient is φ = 25620480.
The previous prime is 78790843. The next prime is 78790849. The reversal of 78790848 is 84809787.
It is a self number, because there is not a number n which added to its sum of digits gives 78790848.
It is not an unprimeable number, because it can be changed into a prime (78790843) 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, 2868 + ... + 12876.
It is an arithmetic number, because the mean of its divisors is an integer number (3813810).
Almost surely, 278790848 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 78790848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106786680).
78790848 is an abundant number, since it is smaller than the sum of its proper divisors (134782512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78790848 is a wasteful number, since it uses less digits than its factorization.
78790848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10065 (or 10055 counting only the distinct ones).
The product of its (nonzero) digits is 903168, while the sum is 51.
The square root of 78790848 is about 8876.4209003404. The cubic root of 78790848 is about 428.7050422761.
The spelling of 78790848 in words is "seventy-eight million, seven hundred ninety thousand, eight hundred forty-eight".
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