Base | Representation |
---|---|
bin | 1001010110101… |
… | …10111100101010 |
3 | 12110122221112100 |
4 | 10223112330222 |
5 | 130042200200 |
6 | 11441554230 |
7 | 1642012143 |
oct | 453267452 |
9 | 173587470 |
10 | 78475050 |
11 | 4032a515 |
12 | 22345976 |
13 | 13348254 |
14 | a5caaca |
15 | 6d51d00 |
hex | 4ad6f2a |
78475050 has 36 divisors (see below), whose sum is σ = 210837510. Its totient is φ = 20926560.
The previous prime is 78475027. The next prime is 78475063. The reversal of 78475050 is 5057487.
It can be written as a sum of positive squares in 3 ways, for example, as 47238129 + 31236921 = 6873^2 + 5589^2 .
It is a junction number, because it is equal to n+sod(n) for n = 78474996 and 78475014.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86745 + ... + 87644.
Almost surely, 278475050 is an apocalyptic number.
78475050 is an abundant number, since it is smaller than the sum of its proper divisors (132362460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78475050 is a wasteful number, since it uses less digits than its factorization.
78475050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174407 (or 174399 counting only the distinct ones).
The product of its (nonzero) digits is 39200, while the sum is 36.
The square root of 78475050 is about 8858.6144514817. The cubic root of 78475050 is about 428.1315176517.
The spelling of 78475050 in words is "seventy-eight million, four hundred seventy-five thousand, fifty".
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