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493487 = 1921367
BaseRepresentation
bin1111000011110101111
3221001221022
41320132233
5111242422
614324355
74123511
oct1703657
9831838
10493487
11307845
121b96bb
13143807
14cbbb1
159b342
hex787af

493487 has 6 divisors (see below), whose sum is σ = 521208. Its totient is φ = 467172.

The previous prime is 493481. The next prime is 493523. The reversal of 493487 is 784394.

It is not a de Polignac number, because 493487 - 28 = 493231 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493481) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 323 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (86868).

493487 is a Friedman number, since it can be written as 448+79^3, using all its digits and the basic arithmetic operations.

2493487 is an apocalyptic number.

493487 is a deficient number, since it is larger than the sum of its proper divisors (27721).

493487 is a wasteful number, since it uses less digits than its factorization.

493487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1386 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 493487 is about 702.4862987988. The cubic root of 493487 is about 79.0239205457.

The spelling of 493487 in words is "four hundred ninety-three thousand, four hundred eighty-seven".

Divisors: 1 19 361 1367 25973 493487