Search a number
-
+
165058223 = 11591971291
BaseRepresentation
bin10011101011010…
…01011010101111
3102111120211022112
421311221122233
5314223330343
624213434235
74042654211
oct1165513257
9374524275
10165058223
1185197760
124733b97b
1328271bb5
1417cc85b1
15e756218
hex9d696af

165058223 has 16 divisors (see below), whose sum is σ = 184187520. Its totient is φ = 146647200.

The previous prime is 165058213. The next prime is 165058247. The reversal of 165058223 is 322850561.

It is a cyclic number.

It is not a de Polignac number, because 165058223 - 28 = 165057967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165058223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165058213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127208 + ... + 128498.

It is an arithmetic number, because the mean of its divisors is an integer number (11511720).

Almost surely, 2165058223 is an apocalyptic number.

165058223 is a deficient number, since it is larger than the sum of its proper divisors (19129297).

165058223 is a wasteful number, since it uses less digits than its factorization.

165058223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 165058223 is about 12847.4987059739. The cubic root of 165058223 is about 548.5451611700.

The spelling of 165058223 in words is "one hundred sixty-five million, fifty-eight thousand, two hundred twenty-three".

Divisors: 1 11 59 197 649 1291 2167 11623 14201 76169 127853 254327 837859 2797597 15005293 165058223