Base | Representation |
---|---|
bin | 11110001000000… |
… | …100010000001100 |
3 | 1022020001120001121 |
4 | 132020010100030 |
5 | 2013342243202 |
6 | 122053050324 |
7 | 15345043630 |
oct | 3610042014 |
9 | 1266046047 |
10 | 505431052 |
11 | 23a336915 |
12 | 1213269a4 |
13 | 80937139 |
14 | 4b1aadc0 |
15 | 2e58c537 |
hex | 1e20440c |
505431052 has 48 divisors (see below), whose sum is σ = 1034853120. Its totient is φ = 211522752.
The previous prime is 505431041. The next prime is 505431077. The reversal of 505431052 is 250134505.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268338 + ... + 270214.
It is an arithmetic number, because the mean of its divisors is an integer number (21559440).
Almost surely, 2505431052 is an apocalyptic number.
It is an amenable number.
505431052 is an abundant number, since it is smaller than the sum of its proper divisors (529422068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505431052 is a wasteful number, since it uses less digits than its factorization.
505431052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2110 (or 2108 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 505431052 is about 22481.7937896423. The cubic root of 505431052 is about 796.5639358750.
Adding to 505431052 its reverse (250134505), we get a palindrome (755565557).
The spelling of 505431052 in words is "five hundred five million, four hundred thirty-one thousand, fifty-two".
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