Base | Representation |
---|---|
bin | 1001010101011… |
… | …00001110010000 |
3 | 12110100001110210 |
4 | 10222230032100 |
5 | 130021100143 |
6 | 11434124120 |
7 | 1640353011 |
oct | 452541620 |
9 | 173301423 |
10 | 78300048 |
11 | 4021aa92 |
12 | 22280640 |
13 | 132b66b8 |
14 | a583008 |
15 | 6d1a033 |
hex | 4aac390 |
78300048 has 80 divisors (see below), whose sum is σ = 211272192. Its totient is φ = 24960000.
The previous prime is 78300023. The next prime is 78300059. The reversal of 78300048 is 84000387.
It is a super-2 number, since 2×783000482 = 12261795033604608, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 78299988 and 78300024.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150028 + ... + 150548.
Almost surely, 278300048 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 78300048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105636096).
78300048 is an abundant number, since it is smaller than the sum of its proper divisors (132972144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78300048 is a wasteful number, since it uses less digits than its factorization.
78300048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 664 (or 658 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 78300048 is about 8848.7314345052. The cubic root of 78300048 is about 427.8130315630.
The spelling of 78300048 in words is "seventy-eight million, three hundred thousand, forty-eight".
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