Search a number
-
+
164791255 = 564351257
BaseRepresentation
bin10011101001010…
…00001111010111
3102111002021002211
421310220033113
5314141310010
624204014251
74040462656
oct1164501727
9374067084
10164791255
1185025122
1247231387
13281aa525
1417c5919d
15e70208a
hex9d283d7

164791255 has 8 divisors (see below), whose sum is σ = 198060912. Its totient is φ = 131625408.

The previous prime is 164791219. The next prime is 164791267. The reversal of 164791255 is 552197461.

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 164791255 - 225 = 131236823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22414 + ... + 28843.

It is an arithmetic number, because the mean of its divisors is an integer number (24757614).

Almost surely, 2164791255 is an apocalyptic number.

164791255 is a deficient number, since it is larger than the sum of its proper divisors (33269657).

164791255 is an equidigital number, since it uses as much as digits as its factorization.

164791255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51905.

The product of its digits is 75600, while the sum is 40.

The square root of 164791255 is about 12837.1046190331. The cubic root of 164791255 is about 548.2492594641.

The spelling of 164791255 in words is "one hundred sixty-four million, seven hundred ninety-one thousand, two hundred fifty-five".

Divisors: 1 5 643 3215 51257 256285 32958251 164791255