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2130560 = 2753329
BaseRepresentation
bin1000001000001010000000
311000020120122
420020022000
51021134220
6113355412
724052355
oct10101200
94006518
102130560
1112257a3
12868b68
135979b3
143d662c
152c1425
hex208280

2130560 has 32 divisors (see below), whose sum is σ = 5094900. Its totient is φ = 851968.

The previous prime is 2130539. The next prime is 2130577. The reversal of 2130560 is 650312.

It can be written as a sum of positive squares in 2 ways, for example, as 2096704 + 33856 = 1448^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 1025 + ... + 2304.

22130560 is an apocalyptic number.

2130560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130560 is an abundant number, since it is smaller than the sum of its proper divisors (2964340).

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

2130560 is an equidigital number, since it uses as much as digits as its factorization.

2130560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2130560 is about 1459.6437921630. The cubic root of 2130560 is about 128.6761099258.

Adding to 2130560 its reverse (650312), we get a palindrome (2780872).

The spelling of 2130560 in words is "two million, one hundred thirty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 3329 6658 13316 16645 26632 33290 53264 66580 106528 133160 213056 266320 426112 532640 1065280 2130560