Search a number
-
+
1530261049 is a prime number
BaseRepresentation
bin101101100110101…
…1110111000111001
310221122110022112011
41123031132320321
511113221323144
6411502445521
752631001322
oct13315367071
93848408464
101530261049
11715879859
123685938a1
131b5059015
1410733d449
158e525a34
hex5b35ee39

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".