Base | Representation |
---|---|
bin | 100110100001… |
… | …1101111000010 |
3 | 1102000021201110 |
4 | 1031003233002 |
5 | 20132403021 |
6 | 2000544150 |
7 | 333462153 |
oct | 115035702 |
9 | 42007643 |
10 | 20200386 |
11 | 10447938 |
12 | 6922056 |
13 | 42536bb |
14 | 297b92a |
15 | 1b90476 |
hex | 1343bc2 |
20200386 has 16 divisors (see below), whose sum is σ = 42777504. Its totient is φ = 6337344.
The previous prime is 20200343. The next prime is 20200387. The reversal of 20200386 is 68300202.
It is not an unprimeable number, because it can be changed into a prime (20200387) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98920 + ... + 99123.
It is an arithmetic number, because the mean of its divisors is an integer number (2673594).
Almost surely, 220200386 is an apocalyptic number.
20200386 is an abundant number, since it is smaller than the sum of its proper divisors (22577118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200386 is a wasteful number, since it uses less digits than its factorization.
20200386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198065.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 20200386 is about 4494.4839525801. The cubic root of 20200386 is about 272.3453028755.
Adding to 20200386 its reverse (68300202), we get a palindrome (88500588).
The spelling of 20200386 in words is "twenty million, two hundred thousand, three hundred eighty-six".
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