Base | Representation |
---|---|
bin | 1000111100010001… |
… | …1111101001101001 |
3 | 20012021121220011122 |
4 | 2033010133221221 |
5 | 14403440220410 |
6 | 1034103105025 |
7 | 113324245541 |
oct | 21704375151 |
9 | 6167556148 |
10 | 2400320105 |
11 | 1021a11027 |
12 | 56ba42175 |
13 | 2c339b571 |
14 | 18ab04321 |
15 | e0adae55 |
hex | 8f11fa69 |
2400320105 has 4 divisors (see below), whose sum is σ = 2880384132. Its totient is φ = 1920256080.
The previous prime is 2400320093. The next prime is 2400320107. The reversal of 2400320105 is 5010230042.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 618467161 + 1781852944 = 24869^2 + 42212^2 .
It is not a de Polignac number, because 2400320105 - 28 = 2400319849 is a prime.
It is a super-2 number, since 2×24003201052 = 11523073212934422050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2400320107) 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 3 ways as a sum of consecutive naturals, for example, 240032006 + ... + 240032015.
It is an arithmetic number, because the mean of its divisors is an integer number (720096033).
Almost surely, 22400320105 is an apocalyptic number.
It is an amenable number.
2400320105 is a deficient number, since it is larger than the sum of its proper divisors (480064027).
2400320105 is an equidigital number, since it uses as much as digits as its factorization.
2400320105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480064026.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 2400320105 is about 48993.0618047086. The cubic root of 2400320105 is about 1338.9254221944.
Adding to 2400320105 its reverse (5010230042), we get a palindrome (7410550147).
The spelling of 2400320105 in words is "two billion, four hundred million, three hundred twenty thousand, one hundred five".
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