Base | Representation |
---|---|
bin | 11111100101111… |
… | …110101001010101 |
3 | 1100221101022101110 |
4 | 133211332221111 |
5 | 2041143041441 |
6 | 124332445233 |
7 | 16064230113 |
oct | 3745765125 |
9 | 1327338343 |
10 | 530049621 |
11 | 252221142 |
12 | 129619819 |
13 | 85a7683a |
14 | 50578ab3 |
15 | 31801b16 |
hex | 1f97ea55 |
530049621 has 8 divisors (see below), whose sum is σ = 708736320. Its totient is φ = 352364672.
The previous prime is 530049601. The next prime is 530049623. The reversal of 530049621 is 126940035.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-530049621 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530049623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249201 + ... + 251318.
It is an arithmetic number, because the mean of its divisors is an integer number (88592040).
Almost surely, 2530049621 is an apocalyptic number.
It is an amenable number.
530049621 is a deficient number, since it is larger than the sum of its proper divisors (178686699).
530049621 is a wasteful number, since it uses less digits than its factorization.
530049621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500875.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 530049621 is about 23022.8065404720. The cubic root of 530049621 is about 809.2924884228.
Adding to 530049621 its reverse (126940035), we get a palindrome (656989656).
The spelling of 530049621 in words is "five hundred thirty million, forty-nine thousand, six hundred twenty-one".
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