Base | Representation |
---|---|
bin | 100110110011… |
… | …0111100110110 |
3 | 1102021121120211 |
4 | 1031212330312 |
5 | 20202012010 |
6 | 2004020034 |
7 | 334632535 |
oct | 115467466 |
9 | 42247524 |
10 | 20344630 |
11 | 10536249 |
12 | 699161a |
13 | 42a4257 |
14 | 29b831c |
15 | 1bbd08a |
hex | 1366f36 |
20344630 has 16 divisors (see below), whose sum is σ = 38548080. Its totient is φ = 7709472.
The previous prime is 20344619. The next prime is 20344679. The reversal of 20344630 is 3644302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53349 + ... + 53728.
It is an arithmetic number, because the mean of its divisors is an integer number (2409255).
Almost surely, 220344630 is an apocalyptic number.
20344630 is a deficient number, since it is larger than the sum of its proper divisors (18203450).
20344630 is a wasteful number, since it uses less digits than its factorization.
20344630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107103.
The product of its (nonzero) digits is 1728, while the sum is 22.
The square root of 20344630 is about 4510.5021893355. The cubic root of 20344630 is about 272.9920073514.
Adding to 20344630 its reverse (3644302), we get a palindrome (23988932).
The spelling of 20344630 in words is "twenty million, three hundred forty-four thousand, six hundred thirty".
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