Base | Representation |
---|---|
bin | 11100101001000010011101 |
3 | 112010110012201 |
4 | 130221002131 |
5 | 3410230000 |
6 | 424531501 |
7 | 120550402 |
oct | 34510235 |
9 | 15113181 |
10 | 7508125 |
11 | 4268a69 |
12 | 2620b91 |
13 | 172b5a1 |
14 | dd62a9 |
15 | 9d496a |
hex | 72909d |
7508125 has 20 divisors (see below), whose sum is σ = 9643788. Its totient is φ = 5840000.
The previous prime is 7508093. The next prime is 7508141. The reversal of 7508125 is 5218057.
It can be written as a sum of positive squares in 10 ways, for example, as 5812921 + 1695204 = 2411^2 + 1302^2 .
It is not a de Polignac number, because 7508125 - 25 = 7508093 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7508093 and 7508102.
It is a congruent number.
It is an unprimeable number.
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 19 ways as a sum of consecutive naturals, for example, 25479 + ... + 25771.
Almost surely, 27508125 is an apocalyptic number.
7508125 is the 1465-th nonagonal number.
It is an amenable number.
7508125 is a deficient number, since it is larger than the sum of its proper divisors (2135663).
7508125 is an equidigital number, since it uses as much as digits as its factorization.
7508125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 354 (or 339 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 28.
The square root of 7508125 is about 2740.0958012449. The cubic root of 7508125 is about 195.8140416588.
The spelling of 7508125 in words is "seven million, five hundred eight thousand, one hundred twenty-five".
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