Search a number
-
+
355512149 is a prime number
BaseRepresentation
bin10101001100001…
…010111101010101
3220202221212222122
4111030022331111
51212002342044
655135505325
711544542366
oct2514127525
9822855878
10355512149
1117274a5a3
129b088245
1358866125
1435303b6d
1521326dee
hex1530af55

355512149 has 2 divisors, whose sum is σ = 355512150. Its totient is φ = 355512148.

The previous prime is 355512139. The next prime is 355512167. The reversal of 355512149 is 941215553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268369924 + 87142225 = 16382^2 + 9335^2 .

It is a cyclic number.

It is not a de Polignac number, because 355512149 - 224 = 338734933 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355512139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177756074 + 177756075.

It is an arithmetic number, because the mean of its divisors is an integer number (177756075).

Almost surely, 2355512149 is an apocalyptic number.

It is an amenable number.

355512149 is a deficient number, since it is larger than the sum of its proper divisors (1).

355512149 is an equidigital number, since it uses as much as digits as its factorization.

355512149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 35.

The square root of 355512149 is about 18855.0298063938. The cubic root of 355512149 is about 708.4102159809.

The spelling of 355512149 in words is "three hundred fifty-five million, five hundred twelve thousand, one hundred forty-nine".