Base | Representation |
---|---|
bin | 11111100110001… |
… | …011100011011011 |
3 | 1100221110222220121 |
4 | 133212023203123 |
5 | 2041201234431 |
6 | 124333534111 |
7 | 16064540212 |
oct | 3746134333 |
9 | 1327428817 |
10 | 530102491 |
11 | 252257936 |
12 | 129644337 |
13 | 85a94919 |
14 | 50590079 |
15 | 31812611 |
hex | 1f98b8db |
530102491 has 4 divisors (see below), whose sum is σ = 536489352. Its totient is φ = 523715632.
The previous prime is 530102477. The next prime is 530102497. The reversal of 530102491 is 194201035.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-530102491 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (530102497) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3193306 + ... + 3193471.
It is an arithmetic number, because the mean of its divisors is an integer number (134122338).
Almost surely, 2530102491 is an apocalyptic number.
530102491 is a deficient number, since it is larger than the sum of its proper divisors (6386861).
530102491 is an equidigital number, since it uses as much as digits as its factorization.
530102491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6386860.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 530102491 is about 23023.9547211160. The cubic root of 530102491 is about 809.3193952567.
The spelling of 530102491 in words is "five hundred thirty million, one hundred two thousand, four hundred ninety-one".
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