Search a number
-
+
216795 = 3597149
BaseRepresentation
bin110100111011011011
3102000101110
4310323123
523414140
64351403
71562025
oct647333
9360343
10216795
11138977
12a5563
13778a7
1459015
1544380
hex34edb

216795 has 16 divisors (see below), whose sum is σ = 352800. Its totient is φ = 113664.

The previous prime is 216791. The next prime is 216803. The reversal of 216795 is 597612.

It is not a de Polignac number, because 216795 - 22 = 216791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381 + ... + 1529.

It is an arithmetic number, because the mean of its divisors is an integer number (22050).

2216795 is an apocalyptic number.

216795 is a deficient number, since it is larger than the sum of its proper divisors (136005).

216795 is a wasteful number, since it uses less digits than its factorization.

216795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its digits is 3780, while the sum is 30.

The square root of 216795 is about 465.6124998322. The cubic root of 216795 is about 60.0735209854.

The spelling of 216795 in words is "two hundred sixteen thousand, seven hundred ninety-five".

Divisors: 1 3 5 15 97 149 291 447 485 745 1455 2235 14453 43359 72265 216795