Base | Representation |
---|---|
bin | 10001001000101… |
… | …00011000111001 |
3 | 101000110200001101 |
4 | 20210110120321 |
5 | 243244112200 |
6 | 22132451401 |
7 | 3363520315 |
oct | 1044243071 |
9 | 330420041 |
10 | 143738425 |
11 | 74155896 |
12 | 40179b61 |
13 | 23a18b2c |
14 | 15138b45 |
15 | c94426a |
hex | 8914639 |
143738425 has 12 divisors (see below), whose sum is σ = 178982716. Its totient is φ = 114508800.
The previous prime is 143738407. The next prime is 143738437. The reversal of 143738425 is 524837341.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 11580409 + 132158016 = 3403^2 + 11496^2 .
It is not a de Polignac number, because 143738425 - 25 = 143738393 is a prime.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5904 + ... + 17953.
Almost surely, 2143738425 is an apocalyptic number.
It is an amenable number.
143738425 is a deficient number, since it is larger than the sum of its proper divisors (35244291).
143738425 is a wasteful number, since it uses less digits than its factorization.
143738425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24108 (or 24103 counting only the distinct ones).
The product of its digits is 80640, while the sum is 37.
The square root of 143738425 is about 11989.0960876957. The cubic root of 143738425 is about 523.8307159109.
The spelling of 143738425 in words is "one hundred forty-three million, seven hundred thirty-eight thousand, four hundred twenty-five".
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