Base | Representation |
---|---|
bin | 11110100001111… |
… | …100000011101110 |
3 | 1022200211010110101 |
4 | 132201330003232 |
5 | 2022111310410 |
6 | 122454301314 |
7 | 15456512014 |
oct | 3641740356 |
9 | 1280733411 |
10 | 512213230 |
11 | 243149421 |
12 | 12365783a |
13 | 82170169 |
14 | 4c0548b4 |
15 | 2ee7bd3a |
hex | 1e87c0ee |
512213230 has 16 divisors (see below), whose sum is σ = 976218480. Its totient is φ = 192833152.
The previous prime is 512213183. The next prime is 512213239. The reversal of 512213230 is 32312215.
It is a junction number, because it is equal to n+sod(n) for n = 512213198 and 512213207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512213239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506340 + ... + 1506679.
It is an arithmetic number, because the mean of its divisors is an integer number (61013655).
Almost surely, 2512213230 is an apocalyptic number.
512213230 is a deficient number, since it is larger than the sum of its proper divisors (464005250).
512213230 is a wasteful number, since it uses less digits than its factorization.
512213230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3013043.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 512213230 is about 22632.1282693431. The cubic root of 512213230 is about 800.1110418781. Note that the first 3 decimals are identical.
Adding to 512213230 its reverse (32312215), we get a palindrome (544525445).
The spelling of 512213230 in words is "five hundred twelve million, two hundred thirteen thousand, two hundred thirty".
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