Search a number
-
+
449483161 is a prime number
BaseRepresentation
bin11010110010101…
…001000110011001
31011022210002222111
4122302221012121
51410031430121
6112333552321
714065354351
oct3262510631
91138702874
10449483161
112107a3396
121066456a1
137217868a
14439a5b61
15296da2e1
hex1aca9199

449483161 has 2 divisors, whose sum is σ = 449483162. Its totient is φ = 449483160.

The previous prime is 449483149. The next prime is 449483189. The reversal of 449483161 is 161384944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411278400 + 38204761 = 20280^2 + 6181^2 .

It is a cyclic number.

It is not a de Polignac number, because 449483161 - 211 = 449481113 is a prime.

It is a super-2 number, since 2×4494831612 = 404070224045103842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449403161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224741580 + 224741581.

It is an arithmetic number, because the mean of its divisors is an integer number (224741581).

Almost surely, 2449483161 is an apocalyptic number.

It is an amenable number.

449483161 is a deficient number, since it is larger than the sum of its proper divisors (1).

449483161 is an equidigital number, since it uses as much as digits as its factorization.

449483161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 449483161 is about 21201.0179236753. The cubic root of 449483161 is about 766.0159432631.

The spelling of 449483161 in words is "four hundred forty-nine million, four hundred eighty-three thousand, one hundred sixty-one".