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2280784 = 241112959
BaseRepresentation
bin1000101100110101010000
311021212122111
420230311100
51040441114
6120515104
725246342
oct10546520
94255574
102280784
111318650
1291ba94
1361b19c
14435292
15300bc4
hex22cd50

2280784 has 20 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 1036640.

The previous prime is 2280767. The next prime is 2280823. The reversal of 2280784 is 4870822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6304 + ... + 6655.

It is an arithmetic number, because the mean of its divisors is an integer number (241056).

22280784 is an apocalyptic number.

It is an amenable number.

2280784 is an abundant number, since it is smaller than the sum of its proper divisors (2540336).

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

2280784 is a wasteful number, since it uses less digits than its factorization.

2280784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12978 (or 12972 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2280784 is about 1510.2264730828. The cubic root of 2280784 is about 131.6319714882.

The spelling of 2280784 in words is "two million, two hundred eighty thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 12959 25918 51836 103672 142549 207344 285098 570196 1140392 2280784