Search a number
-
+
169369297 is a prime number
BaseRepresentation
bin10100001100001…
…01111011010001
3102210200211222221
422012011323101
5321324304142
624450101041
74124421016
oct1206057321
9383624887
10169369297
1187671729
124887a781
1329121226
14186cb70d
15ed08767
hexa185ed1

169369297 has 2 divisors, whose sum is σ = 169369298. Its totient is φ = 169369296.

The previous prime is 169369279. The next prime is 169369327. The reversal of 169369297 is 792963961.

Together with previous prime (169369279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133656721 + 35712576 = 11561^2 + 5976^2 .

It is a cyclic number.

It is not a de Polignac number, because 169369297 - 211 = 169367249 is a prime.

It is not a weakly prime, because it can be changed into another prime (169369267) 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, 84684648 + 84684649.

It is an arithmetic number, because the mean of its divisors is an integer number (84684649).

Almost surely, 2169369297 is an apocalyptic number.

It is an amenable number.

169369297 is a deficient number, since it is larger than the sum of its proper divisors (1).

169369297 is an equidigital number, since it uses as much as digits as its factorization.

169369297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 52.

The square root of 169369297 is about 13014.1959797753. The cubic root of 169369297 is about 553.2799023826.

The spelling of 169369297 in words is "one hundred sixty-nine million, three hundred sixty-nine thousand, two hundred ninety-seven".