Search a number
-
+
165385067 = 2714991223
BaseRepresentation
bin10011101101110…
…01001101101011
3102112012102122212
421312321031223
5314314310232
624224435335
74045515131
oct1166711553
9375172585
10165385067
11853a0281
1247478b4b
13283578b3
1417d71751
15e7bceb2
hex9db936b

165385067 has 8 divisors (see below), whose sum is σ = 166464000. Its totient is φ = 164310120.

The previous prime is 165385049. The next prime is 165385123. The reversal of 165385067 is 760583561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165385067 - 28 = 165384811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165385037) 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 7 ways as a sum of consecutive naturals, for example, 134618 + ... + 135840.

It is an arithmetic number, because the mean of its divisors is an integer number (20808000).

Almost surely, 2165385067 is an apocalyptic number.

165385067 is a deficient number, since it is larger than the sum of its proper divisors (1078933).

165385067 is a wasteful number, since it uses less digits than its factorization.

165385067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 165385067 is about 12860.2125565638. The cubic root of 165385067 is about 548.9069940645.

The spelling of 165385067 in words is "one hundred sixty-five million, three hundred eighty-five thousand, sixty-seven".

Divisors: 1 271 499 1223 135229 331433 610277 165385067