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2283280 = 24528541
BaseRepresentation
bin1000101101011100010000
311022000001221
420231130100
51041031110
6120534424
725256536
oct10553420
94260057
102283280
11131a50a
12921414
1361c36c
14436156
153017da
hex22d710

2283280 has 20 divisors (see below), whose sum is σ = 5308812. Its totient is φ = 913280.

The previous prime is 2283227. The next prime is 2283301. The reversal of 2283280 is 823822.

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 1597696 = 828^2 + 1264^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 14191 + ... + 14350.

22283280 is an apocalyptic number.

2283280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2283280 is an abundant number, since it is smaller than the sum of its proper divisors (3025532).

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

2283280 is a wasteful number, since it uses less digits than its factorization.

2283280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28554 (or 28548 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2283280 is about 1511.0526132468. The cubic root of 2283280 is about 131.6799715943.

The spelling of 2283280 in words is "two million, two hundred eighty-three thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 28541 57082 114164 142705 228328 285410 456656 570820 1141640 2283280