Base | Representation |
---|---|
bin | 10000001100111100011 |
3 | 222222021112 |
4 | 2001213203 |
5 | 113442130 |
6 | 15213535 |
7 | 4340600 |
oct | 2014743 |
9 | 888245 |
10 | 530915 |
11 | 332980 |
12 | 2172ab |
13 | 157868 |
14 | db6a7 |
15 | a7495 |
hex | 819e3 |
530915 has 24 divisors (see below), whose sum is σ = 812592. Its totient is φ = 329280.
The previous prime is 530911. The next prime is 530947. The reversal of 530915 is 519035.
It is not a de Polignac number, because 530915 - 22 = 530911 is a prime.
It is not an unprimeable number, because it can be changed into a prime (530911) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2597 + ... + 2793.
It is an arithmetic number, because the mean of its divisors is an integer number (33858).
2530915 is an apocalyptic number.
530915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
530915 is a deficient number, since it is larger than the sum of its proper divisors (281677).
530915 is a wasteful number, since it uses less digits than its factorization.
530915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227 (or 220 counting only the distinct ones).
The product of its (nonzero) digits is 675, while the sum is 23.
The square root of 530915 is about 728.6391425116. The cubic root of 530915 is about 80.9732676099.
The spelling of 530915 in words is "five hundred thirty thousand, nine hundred fifteen".
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