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260342 = 2130171
BaseRepresentation
bin111111100011110110
3111020010022
4333203312
531312332
65325142
72133005
oct774366
9436108
10260342
11168665
121067b2
1391664
146ac3c
1552212
hex3f8f6

260342 has 4 divisors (see below), whose sum is σ = 390516. Its totient is φ = 130170.

The previous prime is 260339. The next prime is 260363. The reversal of 260342 is 243062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243062 = 2121531.

It is a self number, because there is not a number n which added to its sum of digits gives 260342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65084 + ... + 65087.

It is an arithmetic number, because the mean of its divisors is an integer number (97629).

2260342 is an apocalyptic number.

260342 is a deficient number, since it is larger than the sum of its proper divisors (130174).

260342 is a wasteful number, since it uses less digits than its factorization.

260342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130173.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 260342 is about 510.2371997415. The cubic root of 260342 is about 63.8530155538.

The spelling of 260342 in words is "two hundred sixty thousand, three hundred forty-two".

Divisors: 1 2 130171 260342