Base | Representation |
---|---|
bin | 1110011010010… |
… | …11001100100001 |
3 | 22102111001201111 |
4 | 13031023030201 |
5 | 221422103431 |
6 | 15555103321 |
7 | 2665404226 |
oct | 715131441 |
9 | 272431644 |
10 | 120894241 |
11 | 622726a6 |
12 | 345a1b41 |
13 | 1c07ac70 |
14 | 120ad94d |
15 | a9307b1 |
hex | 734b321 |
120894241 has 4 divisors (see below), whose sum is σ = 130193812. Its totient is φ = 111594672.
The previous prime is 120894229. The next prime is 120894247. The reversal of 120894241 is 142498021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142498021 = 797 ⋅178793.
It can be written as a sum of positive squares in 2 ways, for example, as 11587216 + 109307025 = 3404^2 + 10455^2 .
It is a cyclic number.
It is not a de Polignac number, because 120894241 - 213 = 120886049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120894247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4649766 + ... + 4649791.
It is an arithmetic number, because the mean of its divisors is an integer number (32548453).
Almost surely, 2120894241 is an apocalyptic number.
It is an amenable number.
120894241 is a deficient number, since it is larger than the sum of its proper divisors (9299571).
120894241 is an equidigital number, since it uses as much as digits as its factorization.
120894241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9299570.
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 120894241 is about 10995.1917218391. The cubic root of 120894241 is about 494.4645994936.
The spelling of 120894241 in words is "one hundred twenty million, eight hundred ninety-four thousand, two hundred forty-one".
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