Base | Representation |
---|---|
bin | 11111100110010… |
… | …110000010000001 |
3 | 1100221120011210011 |
4 | 133212112002001 |
5 | 2041204123114 |
6 | 124334504521 |
7 | 16065106303 |
oct | 3746260201 |
9 | 1327504704 |
10 | 530145409 |
11 | 252287102 |
12 | 129665141 |
13 | 85aab311 |
14 | 505a1973 |
15 | 318201c4 |
hex | 1f996081 |
530145409 has 8 divisors (see below), whose sum is σ = 542992032. Its totient is φ = 517322400.
The previous prime is 530145403. The next prime is 530145437. The reversal of 530145409 is 904541035.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 530145409 - 27 = 530145281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (530145403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44709 + ... + 55309.
It is an arithmetic number, because the mean of its divisors is an integer number (67874004).
Almost surely, 2530145409 is an apocalyptic number.
It is an amenable number.
530145409 is a deficient number, since it is larger than the sum of its proper divisors (12846623).
530145409 is a wasteful number, since it uses less digits than its factorization.
530145409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11807.
The product of its (nonzero) digits is 10800, while the sum is 31.
The square root of 530145409 is about 23024.8867315346. The cubic root of 530145409 is about 809.3412359593.
The spelling of 530145409 in words is "five hundred thirty million, one hundred forty-five thousand, four hundred nine".
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