Search a number
-
+
1430212241 is a prime number
BaseRepresentation
bin101010100111111…
…0100111010010001
310200200012022100202
41111033310322101
510412113242431
6353530224545
750304413663
oct12517647221
93620168322
101430212241
11674354697
1233ab85155
1319a3c9243
14d7d38533
15858618cb
hex553f4e91

1430212241 has 2 divisors, whose sum is σ = 1430212242. Its totient is φ = 1430212240.

The previous prime is 1430212237. The next prime is 1430212247. The reversal of 1430212241 is 1422120341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1224720016 + 205492225 = 34996^2 + 14335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430212241 - 22 = 1430212237 is a prime.

It is not a weakly prime, because it can be changed into another prime (1430212247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715106120 + 715106121.

It is an arithmetic number, because the mean of its divisors is an integer number (715106121).

Almost surely, 21430212241 is an apocalyptic number.

It is an amenable number.

1430212241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430212241 is an equidigital number, since it uses as much as digits as its factorization.

1430212241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1430212241 is about 37818.1469799883. The cubic root of 1430212241 is about 1126.6789064860.

Adding to 1430212241 its reverse (1422120341), we get a palindrome (2852332582).

The spelling of 1430212241 in words is "one billion, four hundred thirty million, two hundred twelve thousand, two hundred forty-one".