Search a number
-
+
240932161 is a prime number
BaseRepresentation
bin11100101110001…
…01010101000001
3121210100121210101
432113011111001
5443134312121
635524002401
75653614061
oct1627052501
9553317711
10240932161
11113aaa998
1268830401
133abb9212
1423dd93a1
1516242491
hexe5c5541

240932161 has 2 divisors, whose sum is σ = 240932162. Its totient is φ = 240932160.

The previous prime is 240932149. The next prime is 240932191. The reversal of 240932161 is 161239042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159138225 + 81793936 = 12615^2 + 9044^2 .

It is a cyclic number.

It is not a de Polignac number, because 240932161 - 217 = 240801089 is a prime.

It is not a weakly prime, because it can be changed into another prime (240932191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120466080 + 120466081.

It is an arithmetic number, because the mean of its divisors is an integer number (120466081).

Almost surely, 2240932161 is an apocalyptic number.

It is an amenable number.

240932161 is a deficient number, since it is larger than the sum of its proper divisors (1).

240932161 is an equidigital number, since it uses as much as digits as its factorization.

240932161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 240932161 is about 15521.9895954095. The cubic root of 240932161 is about 622.2500287188.

The spelling of 240932161 in words is "two hundred forty million, nine hundred thirty-two thousand, one hundred sixty-one".