Base | Representation |
---|---|
bin | 11100111111011… |
… | …11010010101110 |
3 | 121221121220022210 |
4 | 32133233102232 |
5 | 444224414243 |
6 | 40044351250 |
7 | 6012114252 |
oct | 1637572256 |
9 | 557556283 |
10 | 243201198 |
11 | 11530a729 |
12 | 69545526 |
13 | 3b501c46 |
14 | 2442a262 |
15 | 1653e933 |
hex | e7ef4ae |
243201198 has 8 divisors (see below), whose sum is σ = 486402408. Its totient is φ = 81067064.
The previous prime is 243201187. The next prime is 243201229. The reversal of 243201198 is 891102342.
It is a sphenic number, since it is the product of 3 distinct primes.
243201198 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20266761 + ... + 20266772.
It is an arithmetic number, because the mean of its divisors is an integer number (60800301).
Almost surely, 2243201198 is an apocalyptic number.
243201198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243201198 is a wasteful number, since it uses less digits than its factorization.
243201198 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40533538.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 243201198 is about 15594.9093617116. The cubic root of 243201198 is about 624.1973252091.
The spelling of 243201198 in words is "two hundred forty-three million, two hundred one thousand, one hundred ninety-eight".
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