Base | Representation |
---|---|
bin | 1001010011001… |
… | …00000000011000 |
3 | 12102210000201020 |
4 | 10221210000120 |
5 | 124432113443 |
6 | 11423522440 |
7 | 1635011430 |
oct | 451440030 |
9 | 172700636 |
10 | 78004248 |
11 | 40038823 |
12 | 22159420 |
13 | 13211b7a |
14 | a5072c0 |
15 | 6cac583 |
hex | 4a64018 |
78004248 has 32 divisors (see below), whose sum is σ = 222869760. Its totient is φ = 22286880.
The previous prime is 78004217. The next prime is 78004271. The reversal of 78004248 is 84240087.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231988 + ... + 232323.
It is an arithmetic number, because the mean of its divisors is an integer number (6964680).
Almost surely, 278004248 is an apocalyptic number.
It is an amenable number.
78004248 is an abundant number, since it is smaller than the sum of its proper divisors (144865512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78004248 is a wasteful number, since it uses less digits than its factorization.
78004248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464327 (or 464323 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 33.
The square root of 78004248 is about 8832.0013586955. The cubic root of 78004248 is about 427.2736245478.
The spelling of 78004248 in words is "seventy-eight million, four thousand, two hundred forty-eight".
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