Base | Representation |
---|---|
bin | 100110001110… |
… | …011100010111 |
3 | 200212002201111 |
4 | 212032130113 |
5 | 10031130011 |
6 | 554435451 |
7 | 151113445 |
oct | 46163427 |
9 | 20762644 |
10 | 10020631 |
11 | 5724715 |
12 | 3432b87 |
13 | 20cb08a |
14 | 148bb95 |
15 | d2e121 |
hex | 98e717 |
10020631 has 8 divisors (see below), whose sum is σ = 10417680. Its totient is φ = 9627072.
The previous prime is 10020629. The next prime is 10020641. The reversal of 10020631 is 13602001.
10020631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10020631 - 21 = 10020629 is a prime.
It is a super-2 number, since 2×100206312 = 200826091276322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10020641) 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 7 ways as a sum of consecutive naturals, for example, 6016 + ... + 7498.
It is an arithmetic number, because the mean of its divisors is an integer number (1302210).
Almost surely, 210020631 is an apocalyptic number.
10020631 is a deficient number, since it is larger than the sum of its proper divisors (397049).
10020631 is a wasteful number, since it uses less digits than its factorization.
10020631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1745.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 10020631 is about 3165.5380269395. The cubic root of 10020631 is about 215.5915277035.
Adding to 10020631 its reverse (13602001), we get a palindrome (23622632).
The spelling of 10020631 in words is "ten million, twenty thousand, six hundred thirty-one".
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