Base | Representation |
---|---|
bin | 10111111001110… |
… | …11000101011001 |
3 | 111222022110202121 |
4 | 23330323011121 |
5 | 402313120100 |
6 | 31521501241 |
7 | 4653251326 |
oct | 1374730531 |
9 | 458273677 |
10 | 200520025 |
11 | a3208732 |
12 | 571a1821 |
13 | 32709c04 |
14 | 1c8b9b4d |
15 | 1290d51a |
hex | bf3b159 |
200520025 has 6 divisors (see below), whose sum is σ = 248644862. Its totient is φ = 160416000.
The previous prime is 200520017. The next prime is 200520029. The reversal of 200520025 is 520025002.
It can be written as a sum of positive squares in 3 ways, for example, as 25725184 + 174794841 = 5072^2 + 13221^2 .
It is not a de Polignac number, because 200520025 - 23 = 200520017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 200519990 and 200520008.
It is not an unprimeable number, because it can be changed into a prime (200520029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4010376 + ... + 4010425.
Almost surely, 2200520025 is an apocalyptic number.
200520025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
200520025 is a deficient number, since it is larger than the sum of its proper divisors (48124837).
200520025 is an equidigital number, since it uses as much as digits as its factorization.
200520025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8020811 (or 8020806 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 16.
The square root of 200520025 is about 14160.5093481838. The cubic root of 200520025 is about 585.3099630895.
Adding to 200520025 its reverse (520025002), we get a palindrome (720545027).
The spelling of 200520025 in words is "two hundred million, five hundred twenty thousand, twenty-five".
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