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255228276 = 223172694651
BaseRepresentation
bin11110011011001…
…11100101110100
3122210020221101010
433031213211310
51010314301101
641154232220
76216255522
oct1715474564
9583227333
10255228276
11121084866
1271585670
1340b53364
1425c7b312
15176182d6
hexf367974

255228276 has 48 divisors (see below), whose sum is σ = 633044160. Its totient is φ = 79756800.

The previous prime is 255228251. The next prime is 255228289. The reversal of 255228276 is 672822552.

255228276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52551 + ... + 57201.

It is an arithmetic number, because the mean of its divisors is an integer number (13188420).

Almost surely, 2255228276 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 255228276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316522080).

255228276 is an abundant number, since it is smaller than the sum of its proper divisors (377815884).

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

255228276 is a wasteful number, since it uses less digits than its factorization.

255228276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944 (or 4942 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 255228276 is about 15975.8654225679. The cubic root of 255228276 is about 634.3217392608.

The spelling of 255228276 in words is "two hundred fifty-five million, two hundred twenty-eight thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 269 538 807 1076 1614 3228 4573 4651 9146 9302 13719 13953 18292 18604 27438 27906 54876 55812 79067 158134 237201 316268 474402 948804 1251119 2502238 3753357 5004476 7506714 15013428 21269023 42538046 63807069 85076092 127614138 255228276