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2560284 = 223271119
BaseRepresentation
bin1001110001000100011100
311211002001100
421301010130
51123412114
6130513100
730522246
oct11610434
94732040
102560284
111499641
12a35790
136b847c
144a9096
15358909
hex27111c

2560284 has 18 divisors (see below), whose sum is σ = 6471920. Its totient is φ = 853416.

The previous prime is 2560279. The next prime is 2560297. The reversal of 2560284 is 4820652.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35524 + ... + 35595.

22560284 is an apocalyptic number.

It is an amenable number.

2560284 is an abundant number, since it is smaller than the sum of its proper divisors (3911636).

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

2560284 is a wasteful number, since it uses less digits than its factorization.

2560284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71129 (or 71124 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2560284 is about 1600.0887475387. The cubic root of 2560284 is about 136.8031342259.

The spelling of 2560284 in words is "two million, five hundred sixty thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 71119 142238 213357 284476 426714 640071 853428 1280142 2560284