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2706580 = 225135329
BaseRepresentation
bin1010010100110010010100
312002111201201
422110302110
51143102310
6134002244
732001622
oct12246224
95074651
102706580
111589548
12aa6384
13739c36
14506512
15386e3a
hex294c94

2706580 has 12 divisors (see below), whose sum is σ = 5683860. Its totient is φ = 1082624.

The previous prime is 2706577. The next prime is 2706593. The reversal of 2706580 is 856072.

It can be written as a sum of positive squares in 2 ways, for example, as 1073296 + 1633284 = 1036^2 + 1278^2 .

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, 67645 + ... + 67684.

It is an arithmetic number, because the mean of its divisors is an integer number (473655).

22706580 is an apocalyptic number.

2706580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2706580 is an abundant number, since it is smaller than the sum of its proper divisors (2977280).

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

2706580 is a wasteful number, since it uses less digits than its factorization.

2706580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135338 (or 135336 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2706580 is about 1645.1686843604. The cubic root of 2706580 is about 139.3606904813.

The spelling of 2706580 in words is "two million, seven hundred six thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 135329 270658 541316 676645 1353290 2706580