Search a number
-
+
162200189 is a prime number
BaseRepresentation
bin10011010101011…
…11101001111101
3102022012121211102
421222233221331
5313010401224
624032302445
74006451564
oct1152575175
9368177742
10162200189
1183615448
12463a1a25
13277b1058
1417782bdb
15e38e4ae
hex9aafa7d

162200189 has 2 divisors, whose sum is σ = 162200190. Its totient is φ = 162200188.

The previous prime is 162200183. The next prime is 162200197. The reversal of 162200189 is 981002261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 74684164 = 9355^2 + 8642^2 .

It is an emirp because it is prime and its reverse (981002261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162200189 - 24 = 162200173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162200183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81100094 + 81100095.

It is an arithmetic number, because the mean of its divisors is an integer number (81100095).

Almost surely, 2162200189 is an apocalyptic number.

It is an amenable number.

162200189 is a deficient number, since it is larger than the sum of its proper divisors (1).

162200189 is an equidigital number, since it uses as much as digits as its factorization.

162200189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 162200189 is about 12735.7837999866. The cubic root of 162200189 is about 545.3606332923.

The spelling of 162200189 in words is "one hundred sixty-two million, two hundred thousand, one hundred eighty-nine".