Base | Representation |
---|---|
bin | 1001011001001… |
… | …11010001010010 |
3 | 12111021122211112 |
4 | 10230213101102 |
5 | 130133212200 |
6 | 11453013322 |
7 | 1644552263 |
oct | 454472122 |
9 | 174248745 |
10 | 78804050 |
11 | 40534716 |
12 | 22484242 |
13 | 13431c20 |
14 | a67496a |
15 | 6db9535 |
hex | 4b27452 |
78804050 has 48 divisors (see below), whose sum is σ = 161755272. Its totient is φ = 28377600.
The previous prime is 78804041. The next prime is 78804067. The reversal of 78804050 is 5040887.
It can be written as a sum of positive squares in 12 ways, for example, as 11744329 + 67059721 = 3427^2 + 8189^2 .
It is a junction number, because it is equal to n+sod(n) for n = 78803998 and 78804016.
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, 25172 + ... + 28128.
Almost surely, 278804050 is an apocalyptic number.
78804050 is an abundant number, since it is smaller than the sum of its proper divisors (82951222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78804050 is a wasteful number, since it uses less digits than its factorization.
78804050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3023 (or 3018 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 32.
The square root of 78804050 is about 8877.1645247793. The cubic root of 78804050 is about 428.7289851917.
The spelling of 78804050 in words is "seventy-eight million, eight hundred four thousand, fifty".
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