Search a number
-
+
165059219 = 1340131663
BaseRepresentation
bin10011101011010…
…01101010010011
3102111120212200102
421311221222103
5314223343334
624213443015
74042660133
oct1165515223
9374525612
10165059219
1185198486
124734046b
13282724a0
1417cc8ac3
15e75667e
hex9d69a93

165059219 has 8 divisors (see below), whose sum is σ = 178204992. Its totient is φ = 151977600.

The previous prime is 165059189. The next prime is 165059243. The reversal of 165059219 is 912950561.

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 165059219 - 28 = 165058963 is a prime.

It is a super-2 number, since 2×1650592192 = 54489091553779922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165059249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10619 + ... + 21044.

It is an arithmetic number, because the mean of its divisors is an integer number (22275624).

Almost surely, 2165059219 is an apocalyptic number.

165059219 is a deficient number, since it is larger than the sum of its proper divisors (13145773).

165059219 is a wasteful number, since it uses less digits than its factorization.

165059219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32077.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 165059219 is about 12847.5374683244. The cubic root of 165059219 is about 548.5462645178.

The spelling of 165059219 in words is "one hundred sixty-five million, fifty-nine thousand, two hundred nineteen".

Divisors: 1 13 401 5213 31663 411619 12696863 165059219