Base | Representation |
---|---|
bin | 11110110011100010100100 |
3 | 120012021101221 |
4 | 132303202210 |
5 | 4031403203 |
6 | 445030124 |
7 | 125432344 |
oct | 36634244 |
9 | 16167357 |
10 | 8075428 |
11 | 4616209 |
12 | 2855344 |
13 | 189987a |
14 | 1102d24 |
15 | a97abd |
hex | 7b38a4 |
8075428 has 12 divisors (see below), whose sum is σ = 14192332. Its totient is φ = 4020480.
The previous prime is 8075341. The next prime is 8075429. The reversal of 8075428 is 8245708.
It can be written as a sum of positive squares in 2 ways, for example, as 3504384 + 4571044 = 1872^2 + 2138^2 .
It is a hoax number, since the sum of its digits (34) 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 = 8075393 and 8075402.
It is not an unprimeable number, because it can be changed into a prime (8075429) 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, 3225 + ... + 5152.
Almost surely, 28075428 is an apocalyptic number.
It is an amenable number.
8075428 is a deficient number, since it is larger than the sum of its proper divisors (6116904).
8075428 is a wasteful number, since it uses less digits than its factorization.
8075428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8622 (or 8620 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 34.
The square root of 8075428 is about 2841.7297549204. The cubic root of 8075428 is about 200.6266014695.
Subtracting from 8075428 its product of nonzero digits (17920), we obtain a palindrome (8057508).
The spelling of 8075428 in words is "eight million, seventy-five thousand, four hundred twenty-eight".
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