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255085272 = 2332131722341
BaseRepresentation
bin11110011010001…
…00101011011000
3122202222200012200
433031010223120
51010300212042
641151210200
76215121561
oct1715045330
9582880180
10255085272
11120a97382
1271516960
1340b03240
1425c41168
15175dac4c
hexf344ad8

255085272 has 288 divisors, whose sum is σ = 844814880. Its totient is φ = 68935680.

The previous prime is 255085219. The next prime is 255085273. The reversal of 255085272 is 272580552.

255085272 is a `hidden beast` number, since 2 + 550 + 85 + 27 + 2 = 666.

255085272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255085273) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6221572 + ... + 6221612.

It is an arithmetic number, because the mean of its divisors is an integer number (2933385).

Almost surely, 2255085272 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 255085272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422407440).

255085272 is an abundant number, since it is smaller than the sum of its proper divisors (589729608).

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

255085272 is a wasteful number, since it uses less digits than its factorization.

255085272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 255085272 is about 15971.3891693866. The cubic root of 255085272 is about 634.2032473048.

The spelling of 255085272 in words is "two hundred fifty-five million, eighty-five thousand, two hundred seventy-two".