Base | Representation |
---|---|
bin | 10111111100001… |
… | …00010100111001 |
3 | 111222212201021201 |
4 | 23332010110321 |
5 | 402402220100 |
6 | 31532134201 |
7 | 4655641060 |
oct | 1376042471 |
9 | 458781251 |
10 | 200820025 |
11 | a33a306a |
12 | 57307361 |
13 | 327b3623 |
14 | 1c9571d7 |
15 | 1296c36a |
hex | bf84539 |
200820025 has 24 divisors (see below), whose sum is σ = 299574080. Its totient is φ = 130455360.
The previous prime is 200820023. The next prime is 200820029. The reversal of 200820025 is 520028002.
It is not a de Polignac number, because 200820025 - 21 = 200820023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 200819984 and 200820011.
It is not an unprimeable number, because it can be changed into a prime (200820023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26874 + ... + 33523.
Almost surely, 2200820025 is an apocalyptic number.
200820025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
200820025 is a deficient number, since it is larger than the sum of its proper divisors (98754055).
200820025 is a wasteful number, since it uses less digits than its factorization.
200820025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60433 (or 60428 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 200820025 is about 14171.0982284366. The cubic root of 200820025 is about 585.6017136562.
Adding to 200820025 its reverse (520028002), we get a palindrome (720848027).
The spelling of 200820025 in words is "two hundred million, eight hundred twenty thousand, twenty-five".
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