Base | Representation |
---|---|
bin | 11000100001110001101 |
3 | 1111211111121 |
4 | 3010032031 |
5 | 201204400 |
6 | 25120541 |
7 | 6555136 |
oct | 3041615 |
9 | 1454447 |
10 | 803725 |
11 | 4a993a |
12 | 329151 |
13 | 221aa0 |
14 | 16cc8d |
15 | 10d21a |
hex | c438d |
803725 has 12 divisors (see below), whose sum is σ = 1073716. Its totient is φ = 593280.
The previous prime is 803717. The next prime is 803729. The reversal of 803725 is 527308.
It can be written as a sum of positive squares in 6 ways, for example, as 34596 + 769129 = 186^2 + 877^2 .
It is not a de Polignac number, because 803725 - 23 = 803717 is a prime.
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 803725.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (803729) 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, 912 + ... + 1561.
2803725 is an apocalyptic number.
It is an amenable number.
803725 is a deficient number, since it is larger than the sum of its proper divisors (269991).
803725 is a wasteful number, since it uses less digits than its factorization.
803725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2496 (or 2491 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 803725 is about 896.5071109590. The cubic root of 803725 is about 92.9756362740.
The spelling of 803725 in words is "eight hundred three thousand, seven hundred twenty-five".
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