Base | Representation |
---|---|
bin | 10111111001111… |
… | …11111101111001 |
3 | 111222100111012100 |
4 | 23330333331321 |
5 | 402314240100 |
6 | 31522134013 |
7 | 4653363540 |
oct | 1374777571 |
9 | 458314170 |
10 | 200540025 |
11 | a3221764 |
12 | 571b1309 |
13 | 3271604a |
14 | 1c8c3157 |
15 | 12914400 |
hex | bf3ff79 |
200540025 has 72 divisors (see below), whose sum is σ = 413626304. Its totient is φ = 90979200.
The previous prime is 200539987. The next prime is 200540047. The reversal of 200540025 is 520045002.
It is not a de Polignac number, because 200540025 - 214 = 200523641 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 246870 + ... + 247680.
Almost surely, 2200540025 is an apocalyptic number.
200540025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
200540025 is an abundant number, since it is smaller than the sum of its proper divisors (213086279).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200540025 is a wasteful number, since it uses less digits than its factorization.
200540025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 991 (or 983 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 200540025 is about 14161.2155198627. The cubic root of 200540025 is about 585.3294221769.
Adding to 200540025 its reverse (520045002), we get a palindrome (720585027).
It can be divided in two parts, 200 and 540025, that added together give a square (540225 = 7352).
The spelling of 200540025 in words is "two hundred million, five hundred forty thousand, twenty-five".
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