Base | Representation |
---|---|
bin | 10001000110001… |
… | …00111111111001 |
3 | 100222212010222112 |
4 | 20203010333321 |
5 | 243203210431 |
6 | 22121502105 |
7 | 3360664256 |
oct | 1043047771 |
9 | 328763875 |
10 | 143413241 |
11 | 73a53544 |
12 | 40041935 |
13 | 23933b0a |
14 | 1509242d |
15 | c8ccc2b |
hex | 88c4ff9 |
143413241 has 4 divisors (see below), whose sum is σ = 151849332. Its totient is φ = 134977152.
The previous prime is 143413217. The next prime is 143413243. The reversal of 143413241 is 142314341.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142314341 = 13 ⋅10947257.
It can be written as a sum of positive squares in 2 ways, for example, as 79477225 + 63936016 = 8915^2 + 7996^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-143413241 is a prime.
It is a super-3 number, since 3×1434132413 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (143413243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4218020 + ... + 4218053.
It is an arithmetic number, because the mean of its divisors is an integer number (37962333).
Almost surely, 2143413241 is an apocalyptic number.
It is an amenable number.
143413241 is a deficient number, since it is larger than the sum of its proper divisors (8436091).
143413241 is an equidigital number, since it uses as much as digits as its factorization.
143413241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8436090.
The product of its digits is 1152, while the sum is 23.
The square root of 143413241 is about 11975.5267525065. The cubic root of 143413241 is about 523.4353913588.
Adding to 143413241 its reverse (142314341), we get a palindrome (285727582).
The spelling of 143413241 in words is "one hundred forty-three million, four hundred thirteen thousand, two hundred forty-one".
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