Search a number
-
+
255163776 = 2737271191
BaseRepresentation
bin11110011010101…
…11110110000000
3122210010122220020
433031113312000
51010310220101
641153013440
76215566500
oct1715276600
9583118806
10255163776
1112104035a
1271554280
1340b2cbaa
1425c61a00
1517604136
hexf357d80

255163776 has 192 divisors, whose sum is σ = 803727360. Its totient is φ = 71500800.

The previous prime is 255163757. The next prime is 255163781. The reversal of 255163776 is 677361552.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1335841 + ... + 1336031.

It is an arithmetic number, because the mean of its divisors is an integer number (4186080).

Almost surely, 2255163776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255163776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401863680).

255163776 is an abundant number, since it is smaller than the sum of its proper divisors (548563584).

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

255163776 is a wasteful number, since it uses less digits than its factorization.

255163776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 274 counting only the distinct ones).

The product of its digits is 264600, while the sum is 42.

The square root of 255163776 is about 15973.8466250306. The cubic root of 255163776 is about 634.2683005643.

It can be divided in two parts, 25516 and 3776, that added together give a palindrome (29292).

The spelling of 255163776 in words is "two hundred fifty-five million, one hundred sixty-three thousand, seven hundred seventy-six".