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255028320 = 253252931197
BaseRepresentation
bin11110011001101…
…10110001100000
3122202212210002100
433030312301200
51010241401240
641150050400
76214463541
oct1714666140
9582783070
10255028320
11120a58608
12714a9a00
1340ab3341
1425c284c8
15175c8e30
hexf336c60

255028320 has 288 divisors, whose sum is σ = 934053120. Its totient is φ = 63221760.

The previous prime is 255028307. The next prime is 255028321. The reversal of 255028320 is 23820552.

255028320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255028321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1294462 + ... + 1294658.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2255028320 is an apocalyptic number.

255028320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255028320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467026560).

255028320 is an abundant number, since it is smaller than the sum of its proper divisors (679024800).

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

255028320 is a wasteful number, since it uses less digits than its factorization.

255028320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 255028320 is about 15969.6061316490. The cubic root of 255028320 is about 634.1560450086.

Adding to 255028320 its reverse (23820552), we get a palindrome (278848872).

The spelling of 255028320 in words is "two hundred fifty-five million, twenty-eight thousand, three hundred twenty".