Base | Representation |
---|---|
bin | 11100111100110… |
… | …00001101111101 |
3 | 121220221210002021 |
4 | 32132120031331 |
5 | 444132011131 |
6 | 40033000141 |
7 | 6006100402 |
oct | 1636301575 |
9 | 556853067 |
10 | 242844541 |
11 | 115096775 |
12 | 693b3051 |
13 | 3b4087c4 |
14 | 243762a9 |
15 | 164bde11 |
hex | e79837d |
242844541 has 8 divisors (see below), whose sum is σ = 257270904. Its totient is φ = 228433920.
The previous prime is 242844533. The next prime is 242844551. The reversal of 242844541 is 145448242.
It can be written as a sum of positive squares in 4 ways, for example, as 54331641 + 188512900 = 7371^2 + 13730^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 242844541 - 23 = 242844533 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 242844497 and 242844506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242844551) 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 7 ways as a sum of consecutive naturals, for example, 46141 + ... + 51133.
It is an arithmetic number, because the mean of its divisors is an integer number (32158863).
Almost surely, 2242844541 is an apocalyptic number.
It is an amenable number.
242844541 is a deficient number, since it is larger than the sum of its proper divisors (14426363).
242844541 is a wasteful number, since it uses less digits than its factorization.
242844541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7871.
The product of its digits is 40960, while the sum is 34.
The square root of 242844541 is about 15583.4701206118. The cubic root of 242844541 is about 623.8920453791.
The spelling of 242844541 in words is "two hundred forty-two million, eight hundred forty-four thousand, five hundred forty-one".
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