Base | Representation |
---|---|
bin | 10111111001110… |
… | …01001010010010 |
3 | 111222022001221210 |
4 | 23330321022102 |
5 | 402312342041 |
6 | 31521400550 |
7 | 4653216342 |
oct | 1374711222 |
9 | 458261853 |
10 | 200512146 |
11 | a320281a |
12 | 57199156 |
13 | 32706453 |
14 | 1c8b6d22 |
15 | 1290b016 |
hex | bf39292 |
200512146 has 16 divisors (see below), whose sum is σ = 401184000. Its totient is φ = 66810768.
The previous prime is 200512141. The next prime is 200512159. The reversal of 200512146 is 641215002.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (200512141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15180 + ... + 25128.
It is an arithmetic number, because the mean of its divisors is an integer number (25074000).
Almost surely, 2200512146 is an apocalyptic number.
200512146 is an abundant number, since it is smaller than the sum of its proper divisors (200671854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200512146 is a wasteful number, since it uses less digits than its factorization.
200512146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13313.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 200512146 is about 14160.2311421813. The cubic root of 200512146 is about 585.3022968267.
Adding to 200512146 its reverse (641215002), we get a palindrome (841727148).
The spelling of 200512146 in words is "two hundred million, five hundred twelve thousand, one hundred forty-six".
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