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2568260 = 225128413
BaseRepresentation
bin1001110011000001000100
311211110222202
421303001010
51124141020
6131014032
730554432
oct11630104
94743882
102568260
1114a4632
12a3a318
136bbca6
144abd52
1535ae75
hex273044

2568260 has 12 divisors (see below), whose sum is σ = 5393388. Its totient is φ = 1027296.

The previous prime is 2568259. The next prime is 2568263. The reversal of 2568260 is 628652.

It can be written as a sum of positive squares in 2 ways, for example, as 1331716 + 1236544 = 1154^2 + 1112^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2568263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64187 + ... + 64226.

It is an arithmetic number, because the mean of its divisors is an integer number (449449).

22568260 is an apocalyptic number.

2568260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2568260 is an abundant number, since it is smaller than the sum of its proper divisors (2825128).

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

2568260 is a wasteful number, since it uses less digits than its factorization.

2568260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128422 (or 128420 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2568260 is about 1602.5791712112. The cubic root of 2568260 is about 136.9450469571.

The spelling of 2568260 in words is "two million, five hundred sixty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 128413 256826 513652 642065 1284130 2568260