Base | Representation |
---|---|
bin | 100111101000… |
… | …011110110001 |
3 | 201112211121112 |
4 | 213220132301 |
5 | 10124430200 |
6 | 1010403105 |
7 | 154210604 |
oct | 47503661 |
9 | 21484545 |
10 | 10389425 |
11 | 5956802 |
12 | 3590495 |
13 | 21c9bb7 |
14 | 154633b |
15 | da3535 |
hex | 9e87b1 |
10389425 has 6 divisors (see below), whose sum is σ = 12882918. Its totient is φ = 8311520.
The previous prime is 10389419. The next prime is 10389427. The reversal of 10389425 is 52498301.
It can be written as a sum of positive squares in 3 ways, for example, as 3297856 + 7091569 = 1816^2 + 2663^2 .
It is not a de Polignac number, because 10389425 - 26 = 10389361 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10389391 and 10389400.
It is not an unprimeable number, because it can be changed into a prime (10389427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207764 + ... + 207813.
It is an arithmetic number, because the mean of its divisors is an integer number (2147153).
Almost surely, 210389425 is an apocalyptic number.
It is an amenable number.
10389425 is a deficient number, since it is larger than the sum of its proper divisors (2493493).
10389425 is an equidigital number, since it uses as much as digits as its factorization.
10389425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 415587 (or 415582 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 10389425 is about 3223.2630981662. The cubic root of 10389425 is about 218.2045676773.
The spelling of 10389425 in words is "ten million, three hundred eighty-nine thousand, four hundred twenty-five".
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