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BaseRepresentation
bin111111100110000101
3111020022121
4333212011
531313420
65325541
72133301
oct774605
9436277
10260485
11168785
121068b1
1391744
15522aa
hex3f985

260485 has 8 divisors (see below), whose sum is σ = 318240. Its totient is φ = 204624.

The previous prime is 260483. The next prime is 260489. The reversal of 260485 is 584062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 260485 - 21 = 260483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147 + ... + 736.

It is an arithmetic number, because the mean of its divisors is an integer number (39780).

2260485 is an apocalyptic number.

260485 is the 295-th octagonal number.

It is an amenable number.

260485 is a deficient number, since it is larger than the sum of its proper divisors (57755).

260485 is an equidigital number, since it uses as much as digits as its factorization.

260485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 260485 is about 510.3773114079. The cubic root of 260485 is about 63.8647044220.

The spelling of 260485 in words is "two hundred sixty thousand, four hundred eighty-five".

Divisors: 1 5 59 295 883 4415 52097 260485