Base | Representation |
---|---|
bin | 10001000110010… |
… | …11111000101100 |
3 | 100222220120200101 |
4 | 20203023320230 |
5 | 243210111302 |
6 | 22122240444 |
7 | 3361142440 |
oct | 1043137054 |
9 | 328816611 |
10 | 143441452 |
11 | 73a72760 |
12 | 40056124 |
13 | 239438cb |
14 | 1509c820 |
15 | c8d6287 |
hex | 88cbe2c |
143441452 has 96 divisors (see below), whose sum is σ = 330333696. Its totient is φ = 52876800.
The previous prime is 143441447. The next prime is 143441483. The reversal of 143441452 is 254144341.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 143441452.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467083 + ... + 467389.
It is an arithmetic number, because the mean of its divisors is an integer number (3440976).
Almost surely, 2143441452 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143441452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165166848).
143441452 is an abundant number, since it is smaller than the sum of its proper divisors (186892244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143441452 is a wasteful number, since it uses less digits than its factorization.
143441452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 407 (or 405 counting only the distinct ones).
The product of its digits is 7680, while the sum is 28.
The square root of 143441452 is about 11976.7045550936. The cubic root of 143441452 is about 523.4697109879.
Adding to 143441452 its reverse (254144341), we get a palindrome (397585793).
The spelling of 143441452 in words is "one hundred forty-three million, four hundred forty-one thousand, four hundred fifty-two".
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