Base | Representation |
---|---|
bin | 11110000110111… |
… | …101101110111000 |
3 | 1022012111212211101 |
4 | 132012331232320 |
5 | 2013304022300 |
6 | 122042541144 |
7 | 15342431533 |
oct | 3606755670 |
9 | 1265455741 |
10 | 505142200 |
11 | 23a1598a2 |
12 | 1212077b4 |
13 | 80865814 |
14 | 4b133a1a |
15 | 2e531b6a |
hex | 1e1bdbb8 |
505142200 has 24 divisors (see below), whose sum is σ = 1174456080. Its totient is φ = 202056800.
The previous prime is 505142177. The next prime is 505142207. The reversal of 505142200 is 2241505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505142207) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1262656 + ... + 1263055.
It is an arithmetic number, because the mean of its divisors is an integer number (48935670).
Almost surely, 2505142200 is an apocalyptic number.
505142200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
505142200 is an abundant number, since it is smaller than the sum of its proper divisors (669313880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505142200 is a wasteful number, since it uses less digits than its factorization.
505142200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2525727 (or 2525718 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 19.
The square root of 505142200 is about 22475.3687400229. The cubic root of 505142200 is about 796.4121624988.
Adding to 505142200 its reverse (2241505), we get a palindrome (507383705).
The spelling of 505142200 in words is "five hundred five million, one hundred forty-two thousand, two hundred".
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