Base | Representation |
---|---|
bin | 1001010011101… |
… | …01101110101100 |
3 | 12102220201021222 |
4 | 10221311232230 |
5 | 124441424334 |
6 | 11425242512 |
7 | 1635433166 |
oct | 451655654 |
9 | 172821258 |
10 | 78076844 |
11 | 4008831a |
12 | 22193438 |
13 | 13238c21 |
14 | a525936 |
15 | 6cc3d2e |
hex | 4a75bac |
78076844 has 12 divisors (see below), whose sum is σ = 139212864. Its totient is φ = 38301744.
The previous prime is 78076841. The next prime is 78076847. The reversal of 78076844 is 44867087.
It is an interprime number because it is at equal distance from previous prime (78076841) and next prime (78076847).
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 78076795 and 78076804.
It is not an unprimeable number, because it can be changed into a prime (78076841) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183932 + ... + 184355.
It is an arithmetic number, because the mean of its divisors is an integer number (11601072).
Almost surely, 278076844 is an apocalyptic number.
It is an amenable number.
78076844 is a deficient number, since it is larger than the sum of its proper divisors (61136020).
78076844 is a wasteful number, since it uses less digits than its factorization.
78076844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 368344 (or 368342 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 44.
The square root of 78076844 is about 8836.1102301861. The cubic root of 78076844 is about 427.4061333074.
The spelling of 78076844 in words is "seventy-eight million, seventy-six thousand, eight hundred forty-four".
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