Base | Representation |
---|---|
bin | 11110100001101… |
… | …011001010000000 |
3 | 1022200200121111022 |
4 | 132201223022000 |
5 | 2022102102000 |
6 | 122453005012 |
7 | 15456103124 |
oct | 3641531200 |
9 | 1280617438 |
10 | 512144000 |
11 | 243101405 |
12 | 123623768 |
13 | 821477b4 |
14 | 4c037584 |
15 | 2ee66585 |
hex | 1e86b280 |
512144000 has 64 divisors (see below), whose sum is σ = 1273357800. Its totient is φ = 204851200.
The previous prime is 512143991. The next prime is 512144027. The reversal of 512144000 is 441215.
It can be written as a sum of positive squares in 4 ways, for example, as 18593344 + 493550656 = 4312^2 + 22216^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 512144000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 32004.
Almost surely, 2512144000 is an apocalyptic number.
512144000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 512144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636678900).
512144000 is an abundant number, since it is smaller than the sum of its proper divisors (761213800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512144000 is an equidigital number, since it uses as much as digits as its factorization.
512144000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32038 (or 32016 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 512144000 is about 22630.5987547833. The cubic root of 512144000 is about 800.0749929698.
Adding to 512144000 its reverse (441215), we get a palindrome (512585215).
The spelling of 512144000 in words is "five hundred twelve million, one hundred forty-four thousand".
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