Base | Representation |
---|---|
bin | 1001010011110… |
… | …01000001011101 |
3 | 12102221101210120 |
4 | 10221321001131 |
5 | 124442342313 |
6 | 11425425153 |
7 | 1635520416 |
oct | 451710135 |
9 | 172841716 |
10 | 78090333 |
11 | 40097472 |
12 | 2219b1b9 |
13 | 132420c9 |
14 | a52a80d |
15 | 6cc7d23 |
hex | 4a7905d |
78090333 has 16 divisors (see below), whose sum is σ = 113803776. Its totient is φ = 47416320.
The previous prime is 78090329. The next prime is 78090349. The reversal of 78090333 is 33309087.
It is not a de Polignac number, because 78090333 - 22 = 78090329 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 78090294 and 78090303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78090373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23116 + ... + 26277.
It is an arithmetic number, because the mean of its divisors is an integer number (7112736).
Almost surely, 278090333 is an apocalyptic number.
It is an amenable number.
78090333 is a deficient number, since it is larger than the sum of its proper divisors (35713443).
78090333 is a wasteful number, since it uses less digits than its factorization.
78090333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49444.
The product of its (nonzero) digits is 13608, while the sum is 33.
The square root of 78090333 is about 8836.8734855717. The cubic root of 78090333 is about 427.4307455956.
The spelling of 78090333 in words is "seventy-eight million, ninety thousand, three hundred thirty-three".
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