Base | Representation |
---|---|
bin | 100110111101… |
… | …0101001010100 |
3 | 1102102201020121 |
4 | 1031322221110 |
5 | 20212102200 |
6 | 2005441324 |
7 | 335416660 |
oct | 115725124 |
9 | 42381217 |
10 | 20425300 |
11 | 10590915 |
12 | 6a10244 |
13 | 4301b9c |
14 | 29d98a0 |
15 | 1bd6e1a |
hex | 137aa54 |
20425300 has 36 divisors (see below), whose sum is σ = 50656480. Its totient is φ = 7002720.
The previous prime is 20425291. The next prime is 20425303. The reversal of 20425300 is 352402.
20425300 = T393 + T394 + ... + T567.
20425300 = 9112 + 9122 + ... + 9342.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20425303) 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 11 ways as a sum of consecutive naturals, for example, 13890 + ... + 15289.
Almost surely, 220425300 is an apocalyptic number.
20425300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20425300 is an abundant number, since it is smaller than the sum of its proper divisors (30231180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20425300 is a wasteful number, since it uses less digits than its factorization.
20425300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29200 (or 29193 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 16.
The square root of 20425300 is about 4519.4358054961. The cubic root of 20425300 is about 273.3523517734.
Adding to 20425300 its reverse (352402), we get a palindrome (20777702).
The spelling of 20425300 in words is "twenty million, four hundred twenty-five thousand, three hundred".
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