Base | Representation |
---|---|
bin | 11110100011110… |
… | …111010010011100 |
3 | 1022201202202211211 |
4 | 132203313102130 |
5 | 2022223433410 |
6 | 122513154204 |
7 | 15464013415 |
oct | 3643672234 |
9 | 1281682754 |
10 | 512717980 |
11 | 243463675 |
12 | 12385b964 |
13 | 822b8b28 |
14 | 4c14680c |
15 | 3002b68a |
hex | 1e8f749c |
512717980 has 24 divisors (see below), whose sum is σ = 1091875680. Its totient is φ = 202198080.
The previous prime is 512717963. The next prime is 512717987. The reversal of 512717980 is 89717215.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512717987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179115 + ... + 181954.
It is an arithmetic number, because the mean of its divisors is an integer number (45494820).
Almost surely, 2512717980 is an apocalyptic number.
It is an amenable number.
512717980 is an abundant number, since it is smaller than the sum of its proper divisors (579157700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
512717980 is a wasteful number, since it uses less digits than its factorization.
512717980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361149 (or 361147 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 40.
The square root of 512717980 is about 22643.2767063427. The cubic root of 512717980 is about 800.3737732564.
The spelling of 512717980 in words is "five hundred twelve million, seven hundred seventeen thousand, nine hundred eighty".
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