Search a number
-
+
1240301219 is a prime number
BaseRepresentation
bin100100111101101…
…0111111010100011
310012102211211102012
41021323113322203
510020004114334
6323023543135
742510246353
oct11173277243
93172754365
101240301219
11587132733
122a745aaab
13169c65161
14baa20b63
1573d4b9ce
hex49ed7ea3

1240301219 has 2 divisors, whose sum is σ = 1240301220. Its totient is φ = 1240301218.

The previous prime is 1240301213. The next prime is 1240301239. The reversal of 1240301219 is 9121030421.

It is a weak prime.

It is an emirp because it is prime and its reverse (9121030421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240301219 - 216 = 1240235683 is a prime.

It is a super-2 number, since 2×12403012192 = 3076694227705771922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1240301194 and 1240301203.

It is not a weakly prime, because it can be changed into another prime (1240301213) 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, 620150609 + 620150610.

It is an arithmetic number, because the mean of its divisors is an integer number (620150610).

Almost surely, 21240301219 is an apocalyptic number.

1240301219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240301219 is an equidigital number, since it uses as much as digits as its factorization.

1240301219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1240301219 is about 35217.9104860013. The cubic root of 1240301219 is about 1074.4240560798.

The spelling of 1240301219 in words is "one billion, two hundred forty million, three hundred one thousand, two hundred nineteen".