Base | Representation |
---|---|
bin | 100000000101… |
… | …111111000101 |
3 | 120211102122020 |
4 | 200011333011 |
5 | 4123210000 |
6 | 500153353 |
7 | 131340030 |
oct | 40057705 |
9 | 16742566 |
10 | 8413125 |
11 | 48269a6 |
12 | 2998859 |
13 | 19874a6 |
14 | 1190017 |
15 | b12ba0 |
hex | 805fc5 |
8413125 has 40 divisors (see below), whose sum is σ = 16044864. Its totient is φ = 3840000.
The previous prime is 8413109. The next prime is 8413133. The reversal of 8413125 is 5213148.
It is not a de Polignac number, because 8413125 - 24 = 8413109 is a prime.
It is an Ulam number.
8413125 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 8413095 and 8413104.
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 39 ways as a sum of consecutive naturals, for example, 12805 + ... + 13445.
Almost surely, 28413125 is an apocalyptic number.
It is an amenable number.
8413125 is a deficient number, since it is larger than the sum of its proper divisors (7631739).
8413125 is an equidigital number, since it uses as much as digits as its factorization.
8413125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 671 (or 656 counting only the distinct ones).
The product of its digits is 960, while the sum is 24.
The square root of 8413125 is about 2900.5387430614. The cubic root of 8413125 is about 203.3850908883.
It can be divided in two parts, 84 and 13125, that multiplied together give a square (1102500 = 10502).
The spelling of 8413125 in words is "eight million, four hundred thirteen thousand, one hundred twenty-five".
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