Search a number
-
+
164216 = 23131579
BaseRepresentation
bin101000000101111000
322100021002
4220011320
520223331
63304132
71252523
oct500570
9270232
10164216
11102418
127b048
1359990
1443bba
15339cb
hex28178

164216 has 16 divisors (see below), whose sum is σ = 331800. Its totient is φ = 75744.

The previous prime is 164209. The next prime is 164231. The reversal of 164216 is 612461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686 + ... + 893.

2164216 is an apocalyptic number.

It is an amenable number.

164216 is an abundant number, since it is smaller than the sum of its proper divisors (167584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164216 is a wasteful number, since it uses less digits than its factorization.

164216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1594 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 164216 is about 405.2357338636. The cubic root of 164216 is about 54.7610570997.

Adding to 164216 its reverse (612461), we get a palindrome (776677).

The spelling of 164216 in words is "one hundred sixty-four thousand, two hundred sixteen".

Divisors: 1 2 4 8 13 26 52 104 1579 3158 6316 12632 20527 41054 82108 164216