Base | Representation |
---|---|
bin | 101101100110101… |
… | …1110111000111001 |
3 | 10221122110022112011 |
4 | 1123031132320321 |
5 | 11113221323144 |
6 | 411502445521 |
7 | 52631001322 |
oct | 13315367071 |
9 | 3848408464 |
10 | 1530261049 |
11 | 715879859 |
12 | 3685938a1 |
13 | 1b5059015 |
14 | 10733d449 |
15 | 8e525a34 |
hex | 5b35ee39 |
1530261049 has 2 divisors, whose sum is σ = 1530261050. Its totient is φ = 1530261048.
The previous prime is 1530261013. The next prime is 1530261101. The reversal of 1530261049 is 9401620351.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1455956649 + 74304400 = 38157^2 + 8620^2 .
It is a cyclic number.
It is not a de Polignac number, because 1530261049 - 211 = 1530259001 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1530261049.
It is not a weakly prime, because it can be changed into another prime (1530261149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765130524 + 765130525.
It is an arithmetic number, because the mean of its divisors is an integer number (765130525).
Almost surely, 21530261049 is an apocalyptic number.
It is an amenable number.
1530261049 is a deficient number, since it is larger than the sum of its proper divisors (1).
1530261049 is an equidigital number, since it uses as much as digits as its factorization.
1530261049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 1530261049 is about 39118.5512129475. The cubic root of 1530261049 is about 1152.3608837623.
The spelling of 1530261049 in words is "one billion, five hundred thirty million, two hundred sixty-one thousand, forty-nine".
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