Base | Representation |
---|---|
bin | 11001001100000… |
… | …11000001001001 |
3 | 112201121011200200 |
4 | 30212003001021 |
5 | 413043103200 |
6 | 32544522413 |
7 | 5144011140 |
oct | 1446030111 |
9 | 481534620 |
10 | 211300425 |
11 | a9301156 |
12 | 5a920409 |
13 | 34a12a4b |
14 | 200c4757 |
15 | 1383c800 |
hex | c983049 |
211300425 has 144 divisors (see below), whose sum is σ = 476636160. Its totient is φ = 87246720.
The previous prime is 211300421. The next prime is 211300447. The reversal of 211300425 is 524003112.
211300425 is a `hidden beast` number, since 211 + 30 + 0 + 425 = 666.
It is not a de Polignac number, because 211300425 - 22 = 211300421 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 211300398 and 211300407.
It is not an unprimeable number, because it can be changed into a prime (211300421) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 688122 + ... + 688428.
Almost surely, 2211300425 is an apocalyptic number.
211300425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
211300425 is an abundant number, since it is smaller than the sum of its proper divisors (265335735).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211300425 is a wasteful number, since it uses less digits than its factorization.
211300425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 372 (or 364 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 211300425 is about 14536.1764229800. The cubic root of 211300425 is about 595.6165959329.
Adding to 211300425 its reverse (524003112), we get a palindrome (735303537).
The spelling of 211300425 in words is "two hundred eleven million, three hundred thousand, four hundred twenty-five".
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