Base | Representation |
---|---|
bin | 100000000010… |
… | …110111000101 |
3 | 120210210002011 |
4 | 200002313011 |
5 | 4122302300 |
6 | 500014221 |
7 | 131254513 |
oct | 40026705 |
9 | 16723064 |
10 | 8400325 |
11 | 481831a |
12 | 2991371 |
13 | 198170b |
14 | 11894b3 |
15 | b0deba |
hex | 802dc5 |
8400325 has 12 divisors (see below), whose sum is σ = 10476388. Its totient is φ = 6681600.
The previous prime is 8400323. The next prime is 8400373. The reversal of 8400325 is 5230048.
It can be written as a sum of positive squares in 6 ways, for example, as 3101121 + 5299204 = 1761^2 + 2302^2 .
It is not a de Polignac number, because 8400325 - 21 = 8400323 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8400296 and 8400305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8400323) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3955 + ... + 5695.
Almost surely, 28400325 is an apocalyptic number.
It is an amenable number.
8400325 is a deficient number, since it is larger than the sum of its proper divisors (2076063).
8400325 is a wasteful number, since it uses less digits than its factorization.
8400325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1944 (or 1939 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 8400325 is about 2898.3314165223. The cubic root of 8400325 is about 203.2818929864.
The spelling of 8400325 in words is "eight million, four hundred thousand, three hundred twenty-five".
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