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5255040 = 273571723
BaseRepresentation
bin10100000010111110000000
3100212222120010
4110002332000
52321130130
6304344520
762444550
oct24027600
910788503
105255040
112a6a20a
121915140
13111cbbb
149ab160
156dc0b0
hex502f80

5255040 has 256 divisors, whose sum is σ = 21150720. Its totient is φ = 1081344.

The previous prime is 5255021. The next prime is 5255053. The reversal of 5255040 is 405525.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 5254998 and 5255016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228469 + ... + 228491.

It is an arithmetic number, because the mean of its divisors is an integer number (82620).

Almost surely, 25255040 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 5255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10575360).

5255040 is an abundant number, since it is smaller than the sum of its proper divisors (15895680).

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

5255040 is a wasteful number, since it uses less digits than its factorization.

5255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 5255040 is about 2292.3874018150. The cubic root of 5255040 is about 173.8569308829.

It can be divided in two parts, 525 and 5040, that added together give a triangular number (5565 = T105).

The spelling of 5255040 in words is "five million, two hundred fifty-five thousand, forty".