Base | Representation |
---|---|
bin | 1001010100001110100001 |
3 | 11121001222211 |
4 | 21110032201 |
5 | 1111122040 |
6 | 124202121 |
7 | 26520646 |
oct | 11241641 |
9 | 4531884 |
10 | 2442145 |
11 | 1418902 |
12 | 999341 |
13 | 676774 |
14 | 477dcd |
15 | 3338ea |
hex | 2543a1 |
2442145 has 8 divisors (see below), whose sum is σ = 2958120. Its totient is φ = 1935360.
The previous prime is 2442133. The next prime is 2442151. The reversal of 2442145 is 5412442.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 720801 + 1721344 = 849^2 + 1312^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2442145 - 25 = 2442113 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696 + ... + 2785.
It is an arithmetic number, because the mean of its divisors is an integer number (369765).
22442145 is an apocalyptic number.
It is an amenable number.
2442145 is a deficient number, since it is larger than the sum of its proper divisors (515975).
2442145 is a wasteful number, since it uses less digits than its factorization.
2442145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4595.
The product of its digits is 1280, while the sum is 22.
The square root of 2442145 is about 1562.7363821195. The cubic root of 2442145 is about 134.6657483136.
Adding to 2442145 its reverse (5412442), we get a palindrome (7854587).
The spelling of 2442145 in words is "two million, four hundred forty-two thousand, one hundred forty-five".
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