Base | Representation |
---|---|
bin | 11110100010011… |
… | …011001010010110 |
3 | 1022201001121012220 |
4 | 132202123022112 |
5 | 2022124400010 |
6 | 122501123210 |
7 | 15460552314 |
oct | 3642331226 |
9 | 1281047186 |
10 | 512340630 |
11 | 24322610a |
12 | 1236b9506 |
13 | 821b6149 |
14 | 4c0890b4 |
15 | 2eea4970 |
hex | 1e89b296 |
512340630 has 32 divisors (see below), whose sum is σ = 1232582400. Its totient is φ = 136294752.
The previous prime is 512340629. The next prime is 512340637. The reversal of 512340630 is 36043215.
It is a happy number.
It is a super-2 number, since 2×5123406302 = 524985842297593800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 512340630.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512340637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7810 + ... + 32949.
It is an arithmetic number, because the mean of its divisors is an integer number (38518200).
Almost surely, 2512340630 is an apocalyptic number.
512340630 is an abundant number, since it is smaller than the sum of its proper divisors (720241770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512340630 is a wasteful number, since it uses less digits than its factorization.
512340630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41188.
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 512340630 is about 22634.9426771971. The cubic root of 512340630 is about 800.1773721293.
Adding to 512340630 its reverse (36043215), we get a palindrome (548383845).
It can be divided in two parts, 5123 and 40630, that added together give a triangular number (45753 = T302).
The spelling of 512340630 in words is "five hundred twelve million, three hundred forty thousand, six hundred thirty".
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