Base | Representation |
---|---|
bin | 1001010011110… |
… | …01101011110010 |
3 | 12102221112111220 |
4 | 10221321223302 |
5 | 124442434132 |
6 | 11425445510 |
7 | 1635531336 |
oct | 451715362 |
9 | 172845456 |
10 | 78093042 |
11 | 40099505 |
12 | 221a0896 |
13 | 13243401 |
14 | a52b7c6 |
15 | 6cc8a2c |
hex | 4a79af2 |
78093042 has 16 divisors (see below), whose sum is σ = 158386752. Its totient is φ = 25664240.
The previous prime is 78093023. The next prime is 78093077. The reversal of 78093042 is 24039087.
It is a junction number, because it is equal to n+sod(n) for n = 78092994 and 78093012.
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, 91233 + ... + 92084.
It is an arithmetic number, because the mean of its divisors is an integer number (9899172).
Almost surely, 278093042 is an apocalyptic number.
78093042 is an abundant number, since it is smaller than the sum of its proper divisors (80293710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78093042 is a wasteful number, since it uses less digits than its factorization.
78093042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183393.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 78093042 is about 8837.0267624354. The cubic root of 78093042 is about 427.4356881471.
The spelling of 78093042 in words is "seventy-eight million, ninety-three thousand, forty-two".
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