Base | Representation |
---|---|
bin | 10001000100000… |
… | …11000110011101 |
3 | 100222100102201122 |
4 | 20202003012131 |
5 | 243121041300 |
6 | 22112020325 |
7 | 3355461323 |
oct | 1042030635 |
9 | 328312648 |
10 | 143143325 |
11 | 73889776 |
12 | 3bb316a5 |
13 | 2386acc0 |
14 | 15021d13 |
15 | c877c85 |
hex | 888319d |
143143325 has 12 divisors (see below), whose sum is σ = 191151828. Its totient is φ = 105705600.
The previous prime is 143143309. The next prime is 143143327. The reversal of 143143325 is 523341341.
It can be written as a sum of positive squares in 6 ways, for example, as 18887716 + 124255609 = 4346^2 + 11147^2 .
It is not a de Polignac number, because 143143325 - 24 = 143143309 is a prime.
It is a super-2 number, since 2×1431433252 = 40980022984111250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 143143294 and 143143303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143143327) by changing a digit.
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, 219896 + ... + 220545.
It is an arithmetic number, because the mean of its divisors is an integer number (15929319).
Almost surely, 2143143325 is an apocalyptic number.
It is an amenable number.
143143325 is a deficient number, since it is larger than the sum of its proper divisors (48008503).
143143325 is a wasteful number, since it uses less digits than its factorization.
143143325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440464 (or 440459 counting only the distinct ones).
The product of its digits is 4320, while the sum is 26.
The square root of 143143325 is about 11964.2519615729. The cubic root of 143143325 is about 523.1068017185.
Adding to 143143325 its reverse (523341341), we get a palindrome (666484666).
The spelling of 143143325 in words is "one hundred forty-three million, one hundred forty-three thousand, three hundred twenty-five".
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