Base | Representation |
---|---|
bin | 11111101000110… |
… | …001101110111001 |
3 | 1100222202120121121 |
4 | 133220301232321 |
5 | 2041340030121 |
6 | 124400305241 |
7 | 16103403526 |
oct | 3750615671 |
9 | 1328676547 |
10 | 530783161 |
11 | 252682277 |
12 | 129912221 |
13 | 85c7269c |
14 | 506ca14d |
15 | 318e9141 |
hex | 1fa31bb9 |
530783161 has 2 divisors, whose sum is σ = 530783162. Its totient is φ = 530783160.
The previous prime is 530783159. The next prime is 530783177. The reversal of 530783161 is 161387035.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 516198400 + 14584761 = 22720^2 + 3819^2 .
It is a cyclic number.
It is not a de Polignac number, because 530783161 - 21 = 530783159 is a prime.
Together with 530783159, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (530783101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265391580 + 265391581.
It is an arithmetic number, because the mean of its divisors is an integer number (265391581).
Almost surely, 2530783161 is an apocalyptic number.
It is an amenable number.
530783161 is a deficient number, since it is larger than the sum of its proper divisors (1).
530783161 is an equidigital number, since it uses as much as digits as its factorization.
530783161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15120, while the sum is 34.
The square root of 530783161 is about 23038.7317576294. The cubic root of 530783161 is about 809.6656451659.
The spelling of 530783161 in words is "five hundred thirty million, seven hundred eighty-three thousand, one hundred sixty-one".
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