Base | Representation |
---|---|
bin | 10001000100101… |
… | …10110100101001 |
3 | 100222111112112111 |
4 | 20202112310221 |
5 | 243131132410 |
6 | 22113442321 |
7 | 3356245663 |
oct | 1042266451 |
9 | 328445474 |
10 | 143224105 |
11 | 73934432 |
12 | 3bb703a1 |
13 | 238989bb |
14 | 15043533 |
15 | c891b8a |
hex | 8896d29 |
143224105 has 24 divisors (see below), whose sum is σ = 181282248. Its totient is φ = 108615936.
The previous prime is 143224049. The next prime is 143224117. The reversal of 143224105 is 501422341.
It can be written as a sum of positive squares in 4 ways, for example, as 6170256 + 137053849 = 2484^2 + 11707^2 .
It is not a de Polignac number, because 143224105 - 223 = 134835497 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457429 + ... + 457741.
It is an arithmetic number, because the mean of its divisors is an integer number (7553427).
Almost surely, 2143224105 is an apocalyptic number.
It is an amenable number.
143224105 is a deficient number, since it is larger than the sum of its proper divisors (38058143).
143224105 is a wasteful number, since it uses less digits than its factorization.
143224105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 537 (or 514 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 143224105 is about 11967.6273755494. The cubic root of 143224105 is about 523.2051847461.
Adding to 143224105 its reverse (501422341), we get a palindrome (644646446).
The spelling of 143224105 in words is "one hundred forty-three million, two hundred twenty-four thousand, one hundred five".
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