Search a number
-
+
272781941 is a prime number
BaseRepresentation
bin10000010000100…
…101001001110101
3201000021202110212
4100100211021311
51024313010231
643022355205
76521415425
oct2020451165
9630252425
10272781941
1112aa84123
127742bb05
134468b143
142832a485
1518e3442b
hex10425275

272781941 has 2 divisors, whose sum is σ = 272781942. Its totient is φ = 272781940.

The previous prime is 272781919. The next prime is 272781959. The reversal of 272781941 is 149187272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181980100 + 90801841 = 13490^2 + 9529^2 .

It is a cyclic number.

It is not a de Polignac number, because 272781941 - 26 = 272781877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272181941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136390970 + 136390971.

It is an arithmetic number, because the mean of its divisors is an integer number (136390971).

Almost surely, 2272781941 is an apocalyptic number.

It is an amenable number.

272781941 is a deficient number, since it is larger than the sum of its proper divisors (1).

272781941 is an equidigital number, since it uses as much as digits as its factorization.

272781941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 41.

The square root of 272781941 is about 16516.1115581120. Note that the first 3 decimals coincide. The cubic root of 272781941 is about 648.5426449879.

The spelling of 272781941 in words is "two hundred seventy-two million, seven hundred eighty-one thousand, nine hundred forty-one".