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2260040 = 23556501
BaseRepresentation
bin1000100111110001001000
311020211012012
420213301020
51034310130
6120235052
725132016
oct10476110
94224165
102260040
111304002
1290ba88
13611903
1442b8b6
152e9995
hex227c48

2260040 has 16 divisors (see below), whose sum is σ = 5085180. Its totient is φ = 904000.

The previous prime is 2260039. The next prime is 2260051. The reversal of 2260040 is 400622.

It can be written as a sum of positive squares in 2 ways, for example, as 2114116 + 145924 = 1454^2 + 382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2259997 and 2260024.

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, 28211 + ... + 28290.

22260040 is an apocalyptic number.

2260040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2260040 is an abundant number, since it is smaller than the sum of its proper divisors (2825140).

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

2260040 is a wasteful number, since it uses less digits than its factorization.

2260040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56512 (or 56508 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2260040 is about 1503.3429415805. The cubic root of 2260040 is about 131.2316860312.

Adding to 2260040 its reverse (400622), we get a palindrome (2660662).

The spelling of 2260040 in words is "two million, two hundred sixty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 56501 113002 226004 282505 452008 565010 1130020 2260040