Base | Representation |
---|---|
bin | 11111100000001001001101 |
3 | 120112120000111 |
4 | 133200021031 |
5 | 4103230000 |
6 | 453000021 |
7 | 130123111 |
oct | 37401115 |
9 | 16476014 |
10 | 8258125 |
11 | 47304a7 |
12 | 2923011 |
13 | 1931a85 |
14 | 114d741 |
15 | ad1cba |
hex | 7e024d |
8258125 has 20 divisors (see below), whose sum is σ = 10518508. Its totient is φ = 6480000.
The previous prime is 8258123. The next prime is 8258137. The reversal of 8258125 is 5218528.
It can be written as a sum of positive squares in 10 ways, for example, as 7946761 + 311364 = 2819^2 + 558^2 .
It is not a de Polignac number, because 8258125 - 21 = 8258123 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8258123) 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 19 ways as a sum of consecutive naturals, for example, 45535 + ... + 45715.
Almost surely, 28258125 is an apocalyptic number.
It is an amenable number.
8258125 is a deficient number, since it is larger than the sum of its proper divisors (2260383).
8258125 is an equidigital number, since it uses as much as digits as its factorization.
8258125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274 (or 259 counting only the distinct ones).
The product of its digits is 6400, while the sum is 31.
The square root of 8258125 is about 2873.6953561573. The cubic root of 8258125 is about 202.1283127521.
The spelling of 8258125 in words is "eight million, two hundred fifty-eight thousand, one hundred twenty-five".
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