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493841 = 2917029
BaseRepresentation
bin1111000100100010001
3221002102102
41320210101
5111300331
614330145
74124525
oct1704421
9832372
10493841
11308037
121b9955
13143a1a
14cbd85
159b4cb
hex78911

493841 has 4 divisors (see below), whose sum is σ = 510900. Its totient is φ = 476784.

The previous prime is 493817. The next prime is 493853. The reversal of 493841 is 148394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148394 = 274197.

It can be written as a sum of positive squares in 2 ways, for example, as 330625 + 163216 = 575^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 493841 - 26 = 493777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 17029 = 493841 / (4 + 9 + 3 + 8 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493811) 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, 8486 + ... + 8543.

It is an arithmetic number, because the mean of its divisors is an integer number (127725).

2493841 is an apocalyptic number.

It is an amenable number.

493841 is a deficient number, since it is larger than the sum of its proper divisors (17059).

493841 is a wasteful number, since it uses less digits than its factorization.

493841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17058.

The product of its digits is 3456, while the sum is 29.

The square root of 493841 is about 702.7382158386. The cubic root of 493841 is about 79.0428118109.

The spelling of 493841 in words is "four hundred ninety-three thousand, eight hundred forty-one".

Divisors: 1 29 17029 493841