Base | Representation |
---|---|
bin | 100110001001… |
… | …100100101101 |
3 | 200211002100202 |
4 | 212021210231 |
5 | 10030010220 |
6 | 554203245 |
7 | 151001342 |
oct | 46114455 |
9 | 20732322 |
10 | 10000685 |
11 | 5710732 |
12 | 3423525 |
13 | 20c1c86 |
14 | 14847c9 |
15 | d28275 |
hex | 98992d |
10000685 has 8 divisors (see below), whose sum is σ = 12019320. Its totient is φ = 7988224.
The previous prime is 10000667. The next prime is 10000687. The reversal of 10000685 is 58600001.
It can be written as a sum of positive squares in 4 ways, for example, as 643204 + 9357481 = 802^2 + 3059^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10000685 - 212 = 9996589 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10000687) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 3569 + ... + 5721.
It is an arithmetic number, because the mean of its divisors is an integer number (1502415).
Almost surely, 210000685 is an apocalyptic number.
It is an amenable number.
10000685 is a deficient number, since it is larger than the sum of its proper divisors (2018635).
10000685 is an equidigital number, since it uses as much as digits as its factorization.
10000685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3087.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 10000685 is about 3162.3859663235. The cubic root of 10000685 is about 215.4483881834.
Adding to 10000685 its reverse (58600001), we get a palindrome (68600686).
The spelling of 10000685 in words is "ten million, six hundred eighty-five", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •