Base | Representation |
---|---|
bin | 100101100000… |
… | …000101000101 |
3 | 200111110012221 |
4 | 211200011011 |
5 | 10004040400 |
6 | 550412341 |
7 | 146363002 |
oct | 45400505 |
9 | 20443187 |
10 | 9830725 |
11 | 5604a73 |
12 | 33610b1 |
13 | 20627c8 |
14 | 143c8a9 |
15 | ce2c1a |
hex | 960145 |
9830725 has 12 divisors (see below), whose sum is σ = 12265956. Its totient is φ = 7815680.
The previous prime is 9830719. The next prime is 9830747. The reversal of 9830725 is 5270389.
It can be written as a sum of positive squares in 6 ways, for example, as 986049 + 8844676 = 993^2 + 2974^2 .
It is not a de Polignac number, because 9830725 - 29 = 9830213 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3189 + ... + 5461.
It is an arithmetic number, because the mean of its divisors is an integer number (1022163).
Almost surely, 29830725 is an apocalyptic number.
It is an amenable number.
9830725 is a deficient number, since it is larger than the sum of its proper divisors (2435231).
9830725 is a wasteful number, since it uses less digits than its factorization.
9830725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2456 (or 2451 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 34.
The square root of 9830725 is about 3135.3986987304. The cubic root of 9830725 is about 214.2209047393.
The spelling of 9830725 in words is "nine million, eight hundred thirty thousand, seven hundred twenty-five".
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