Base | Representation |
---|---|
bin | 11100111101010… |
… | …01001110001111 |
3 | 121221002022121220 |
4 | 32132221032033 |
5 | 444141223231 |
6 | 40034254423 |
7 | 6006510432 |
oct | 1636511617 |
9 | 557068556 |
10 | 242914191 |
11 | 115134033 |
12 | 69427413 |
13 | 3b431410 |
14 | 24393819 |
15 | 164d4896 |
hex | e7a938f |
242914191 has 32 divisors (see below), whose sum is σ = 356977152. Its totient is φ = 146025600.
The previous prime is 242914187. The next prime is 242914193. The reversal of 242914191 is 191419242.
It is not a de Polignac number, because 242914191 - 22 = 242914187 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242914193) 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 31 ways as a sum of consecutive naturals, for example, 326566 + ... + 327308.
It is an arithmetic number, because the mean of its divisors is an integer number (11155536).
Almost surely, 2242914191 is an apocalyptic number.
242914191 is a deficient number, since it is larger than the sum of its proper divisors (114062961).
242914191 is a wasteful number, since it uses less digits than its factorization.
242914191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 943.
The product of its digits is 5184, while the sum is 33.
The square root of 242914191 is about 15585.7047001411. The cubic root of 242914191 is about 623.9516856289.
It can be divided in two parts, 24291 and 4191, that added together give a palindrome (28482).
The spelling of 242914191 in words is "two hundred forty-two million, nine hundred fourteen thousand, one hundred ninety-one".
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