Base | Representation |
---|---|
bin | 10111111010110… |
… | …10100100100010 |
3 | 111222120000200020 |
4 | 23331122210202 |
5 | 402331231434 |
6 | 31524334310 |
7 | 4654326330 |
oct | 1375324442 |
9 | 458500606 |
10 | 200648994 |
11 | a3296617 |
12 | 57244396 |
13 | 32753820 |
14 | 1c910b50 |
15 | 12936849 |
hex | bf5a922 |
200648994 has 64 divisors (see below), whose sum is σ = 522982656. Its totient is φ = 49803264.
The previous prime is 200648993. The next prime is 200649013. The reversal of 200648994 is 499846002.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (200648993) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1527 + ... + 20090.
It is an arithmetic number, because the mean of its divisors is an integer number (8171604).
Almost surely, 2200648994 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 200648994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261491328).
200648994 is an abundant number, since it is smaller than the sum of its proper divisors (322333662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200648994 is a wasteful number, since it uses less digits than its factorization.
200648994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21659.
The product of its (nonzero) digits is 124416, while the sum is 42.
The square root of 200648994 is about 14165.0624425027. The cubic root of 200648994 is about 585.4354213203.
The spelling of 200648994 in words is "two hundred million, six hundred forty-eight thousand, nine hundred ninety-four".
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