Base | Representation |
---|---|
bin | 11100111110000… |
… | …11100101110011 |
3 | 121221021210210001 |
4 | 32133003211303 |
5 | 444203202240 |
6 | 40040450431 |
7 | 6010440343 |
oct | 1637034563 |
9 | 557253701 |
10 | 243022195 |
11 | 1151a8199 |
12 | 69479a17 |
13 | 3b46b620 |
14 | 243c0d23 |
15 | 1650689a |
hex | e7c3973 |
243022195 has 16 divisors (see below), whose sum is σ = 320745600. Its totient is φ = 175641984.
The previous prime is 243022193. The next prime is 243022201. The reversal of 243022195 is 591220342.
It is a cyclic number.
It is not a de Polignac number, because 243022195 - 21 = 243022193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (243022193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36720 + ... + 42829.
It is an arithmetic number, because the mean of its divisors is an integer number (20046600).
Almost surely, 2243022195 is an apocalyptic number.
243022195 is a deficient number, since it is larger than the sum of its proper divisors (77723405).
243022195 is a wasteful number, since it uses less digits than its factorization.
243022195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79614.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 243022195 is about 15589.1691568217. The cubic root of 243022195 is about 624.0441452921.
The spelling of 243022195 in words is "two hundred forty-three million, twenty-two thousand, one hundred ninety-five".
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