Base | Representation |
---|---|
bin | 11110001000011… |
… | …101011101000000 |
3 | 1022020020210122120 |
4 | 132020131131000 |
5 | 2013404044042 |
6 | 122055204240 |
7 | 15345653565 |
oct | 3610353500 |
9 | 1266223576 |
10 | 505534272 |
11 | 23a3a7421 |
12 | 121376680 |
13 | 80972109 |
14 | 4b1d686c |
15 | 2e5acdec |
hex | 1e21d740 |
505534272 has 56 divisors (see below), whose sum is σ = 1354531200. Its totient is φ = 166373376.
The previous prime is 505534241. The next prime is 505534301. The reversal of 505534272 is 272435505.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 1497 + ... + 31832.
Almost surely, 2505534272 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 505534272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677265600).
505534272 is an abundant number, since it is smaller than the sum of its proper divisors (848996928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505534272 is a wasteful number, since it uses less digits than its factorization.
505534272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33423 (or 33413 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 33.
The square root of 505534272 is about 22484.0893077750. The cubic root of 505534272 is about 796.6181574038.
Adding to 505534272 its reverse (272435505), we get a palindrome (777969777).
The spelling of 505534272 in words is "five hundred five million, five hundred thirty-four thousand, two hundred seventy-two".
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