Search a number
-
+
255164215 = 560538431
BaseRepresentation
bin11110011010101…
…11111100110111
3122210010200111111
433031113330313
51010310223330
641153015451
76215600665
oct1715277467
9583120444
10255164215
11121040719
1271554587
1340b30157
1425c61c35
151760432a
hexf357f37

255164215 has 8 divisors (see below), whose sum is σ = 306283968. Its totient is φ = 204073440.

The previous prime is 255164213. The next prime is 255164219. The reversal of 255164215 is 512461552.

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

It is not a de Polignac number, because 255164215 - 21 = 255164213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255164213) 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, 26050 + ... + 34480.

It is an arithmetic number, because the mean of its divisors is an integer number (38285496).

Almost surely, 2255164215 is an apocalyptic number.

255164215 is a deficient number, since it is larger than the sum of its proper divisors (51119753).

255164215 is an equidigital number, since it uses as much as digits as its factorization.

255164215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14489.

The product of its digits is 12000, while the sum is 31.

The square root of 255164215 is about 15973.8603662358. The cubic root of 255164215 is about 634.2686643093.

It can be divided in two parts, 2551 and 64215, that added together give a palindrome (66766).

The spelling of 255164215 in words is "two hundred fifty-five million, one hundred sixty-four thousand, two hundred fifteen".

Divisors: 1 5 6053 8431 30265 42155 51032843 255164215