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2555027280 = 2433513194789
BaseRepresentation
bin1001100001001010…
…1001111101010000
320121001201211112000
42120102221331100
520213041333110
61101311034000
7120213242061
oct23022517520
96531654460
102555027280
1110a12788a3
125b380b900
13319457b80
141a3496568
15ee49a1c0
hex984a9f50

2555027280 has 320 divisors, whose sum is σ = 9978528000. Its totient is φ = 595703808.

The previous prime is 2555027203. The next prime is 2555027287. The reversal of 2555027280 is 827205552.

2555027280 is a `hidden beast` number, since 2 + 5 + 5 + 502 + 72 + 80 = 666.

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 (2555027287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 531126 + ... + 535914.

It is an arithmetic number, because the mean of its divisors is an integer number (31182900).

Almost surely, 22555027280 is an apocalyptic number.

2555027280 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 2555027280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4989264000).

2555027280 is an abundant number, since it is smaller than the sum of its proper divisors (7423500720).

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

2555027280 is a wasteful number, since it uses less digits than its factorization.

2555027280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843 (or 4831 counting only the distinct ones).

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

The square root of 2555027280 is about 50547.2776715027. The cubic root of 2555027280 is about 1367.0944299150.

The spelling of 2555027280 in words is "two billion, five hundred fifty-five million, twenty-seven thousand, two hundred eighty".