Search a number
-
+
1144200427 is a prime number
BaseRepresentation
bin100010000110011…
…0001110011101011
32221202000101220121
41010030301303223
54320403403202
6305312104111
740232354206
oct10414616353
92852011817
101144200427
11537964797
1227b235037
13153088396
14abd6693d
156a6b7537
hex44331ceb

1144200427 has 2 divisors, whose sum is σ = 1144200428. Its totient is φ = 1144200426.

The previous prime is 1144200397. The next prime is 1144200443. The reversal of 1144200427 is 7240024411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144200427 - 223 = 1135811819 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144200227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572100213 + 572100214.

It is an arithmetic number, because the mean of its divisors is an integer number (572100214).

Almost surely, 21144200427 is an apocalyptic number.

1144200427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144200427 is an equidigital number, since it uses as much as digits as its factorization.

1144200427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1144200427 is about 33826.0317950539. The cubic root of 1144200427 is about 1045.9253807116.

Adding to 1144200427 its reverse (7240024411), we get a palindrome (8384224838).

The spelling of 1144200427 in words is "one billion, one hundred forty-four million, two hundred thousand, four hundred twenty-seven".