Base | Representation |
---|---|
bin | 11111100110101… |
… | …101100001010101 |
3 | 1100221202001202120 |
4 | 133212231201111 |
5 | 2041220212441 |
6 | 124340530153 |
7 | 16065656640 |
oct | 3746554125 |
9 | 1327661676 |
10 | 530241621 |
11 | 252342418 |
12 | 1296b0959 |
13 | 85b13050 |
14 | 505c8a57 |
15 | 3183d966 |
hex | 1f9ad855 |
530241621 has 32 divisors (see below), whose sum is σ = 872551680. Its totient is φ = 278913024.
The previous prime is 530241589. The next prime is 530241623. The reversal of 530241621 is 126142035.
It is not a de Polignac number, because 530241621 - 25 = 530241589 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 530241591 and 530241600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530241623) 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 31 ways as a sum of consecutive naturals, for example, 103701 + ... + 108693.
It is an arithmetic number, because the mean of its divisors is an integer number (27267240).
Almost surely, 2530241621 is an apocalyptic number.
It is an amenable number.
530241621 is a deficient number, since it is larger than the sum of its proper divisors (342310059).
530241621 is a wasteful number, since it uses less digits than its factorization.
530241621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5405.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 530241621 is about 23026.9759412737. The cubic root of 530241621 is about 809.3901933633.
Adding to 530241621 its reverse (126142035), we get a palindrome (656383656).
It can be divided in two parts, 53024 and 1621, that added together give a palindrome (54645).
The spelling of 530241621 in words is "five hundred thirty million, two hundred forty-one thousand, six hundred twenty-one".
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