Base | Representation |
---|---|
bin | 1001011001110… |
… | …00101000010001 |
3 | 12111102021100222 |
4 | 10230320220101 |
5 | 130143001103 |
6 | 11454322425 |
7 | 1645266500 |
oct | 454705021 |
9 | 174367328 |
10 | 78875153 |
11 | 40583085 |
12 | 224b9415 |
13 | 134583b6 |
14 | a692837 |
15 | 6dd0638 |
hex | 4b38a11 |
78875153 has 12 divisors (see below), whose sum is σ = 93311280. Its totient is φ = 66458952.
The previous prime is 78875143. The next prime is 78875161. The reversal of 78875153 is 35157887.
It is not a de Polignac number, because 78875153 - 26 = 78875089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78875143) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 10751 + ... + 16532.
It is an arithmetic number, because the mean of its divisors is an integer number (7775940).
Almost surely, 278875153 is an apocalyptic number.
It is an amenable number.
78875153 is a deficient number, since it is larger than the sum of its proper divisors (14436127).
78875153 is a wasteful number, since it uses less digits than its factorization.
78875153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27356 (or 27349 counting only the distinct ones).
The product of its digits is 235200, while the sum is 44.
The square root of 78875153 is about 8881.1684479014. The cubic root of 78875153 is about 428.8578903826.
The spelling of 78875153 in words is "seventy-eight million, eight hundred seventy-five thousand, one hundred fifty-three".
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