Base | Representation |
---|---|
bin | 1001011001110… |
… | …00100011101100 |
3 | 12111102020222010 |
4 | 10230320203230 |
5 | 130142443420 |
6 | 11454321220 |
7 | 1645265601 |
oct | 454704354 |
9 | 174366863 |
10 | 78874860 |
11 | 40582939 |
12 | 224b9210 |
13 | 1345821c |
14 | a6926a8 |
15 | 6dd04e0 |
hex | 4b388ec |
78874860 has 48 divisors (see below), whose sum is σ = 222003936. Its totient is φ = 20923392.
The previous prime is 78874853. The next prime is 78874897. The reversal of 78874860 is 6847887.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8484 + ... + 15156.
It is an arithmetic number, because the mean of its divisors is an integer number (4625082).
Almost surely, 278874860 is an apocalyptic number.
It is an amenable number.
78874860 is an abundant number, since it is smaller than the sum of its proper divisors (143129076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78874860 is a wasteful number, since it uses less digits than its factorization.
78874860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6882 (or 6880 counting only the distinct ones).
The product of its (nonzero) digits is 602112, while the sum is 48.
The square root of 78874860 is about 8881.1519523089. The cubic root of 78874860 is about 428.8573593513.
The spelling of 78874860 in words is "seventy-eight million, eight hundred seventy-four thousand, eight hundred sixty".
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