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260740 = 22513037
BaseRepresentation
bin111111101010000100
3111020200001
4333222010
531320430
65331044
72134114
oct775204
9436601
10260740
11168997
12106a84
13918ac
146b044
15523ca
hex3fa84

260740 has 12 divisors (see below), whose sum is σ = 547596. Its totient is φ = 104288.

The previous prime is 260723. The next prime is 260747. The reversal of 260740 is 47062.

It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 125316 = 368^2 + 354^2 .

260740 is a modest number, since divided by 740 gives 260 as remainder.

It is not an unprimeable number, because it can be changed into a prime (260747) 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, 6499 + ... + 6538.

It is an arithmetic number, because the mean of its divisors is an integer number (45633).

2260740 is an apocalyptic number.

260740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260740 is an abundant number, since it is smaller than the sum of its proper divisors (286856).

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

260740 is a wasteful number, since it uses less digits than its factorization.

260740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13046 (or 13044 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 260740 is about 510.6270654793. The cubic root of 260740 is about 63.8855375964.

It can be divided in two parts, 260 and 740, that added together give a cube (1000 = 103).

The spelling of 260740 in words is "two hundred sixty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 13037 26074 52148 65185 130370 260740