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494983 = 2321521
BaseRepresentation
bin1111000110110000111
3221010222201
41320312013
5111314413
614335331
74131046
oct1706607
9833881
10494983
11308985
121ba547
131443b8
14cc55d
159b9dd
hex78d87

494983 has 4 divisors (see below), whose sum is σ = 516528. Its totient is φ = 473440.

The previous prime is 494959. The next prime is 494987. The reversal of 494983 is 389494.

494983 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 494983 - 29 = 494471 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494987) 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 3 ways as a sum of consecutive naturals, for example, 10738 + ... + 10783.

It is an arithmetic number, because the mean of its divisors is an integer number (129132).

2494983 is an apocalyptic number.

494983 is a deficient number, since it is larger than the sum of its proper divisors (21545).

494983 is a wasteful number, since it uses less digits than its factorization.

494983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21544.

The product of its digits is 31104, while the sum is 37.

The square root of 494983 is about 703.5502824959. The cubic root of 494983 is about 79.1036933498.

The spelling of 494983 in words is "four hundred ninety-four thousand, nine hundred eighty-three".

Divisors: 1 23 21521 494983