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490503 = 31312577
BaseRepresentation
bin1110111110000000111
3220220211210
41313300013
5111144003
614302503
74112016
oct1676007
9826753
10490503
11305582
121b7a33
13142350
14caa7d
159a503
hex77c07

490503 has 8 divisors (see below), whose sum is σ = 704368. Its totient is φ = 301824.

The previous prime is 490499. The next prime is 490519. The reversal of 490503 is 305094.

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

It is not a de Polignac number, because 490503 - 22 = 490499 is a prime.

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

It is a Duffinian number.

490503 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 490503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490543) 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, 6250 + ... + 6327.

It is an arithmetic number, because the mean of its divisors is an integer number (88046).

2490503 is an apocalyptic number.

490503 is a deficient number, since it is larger than the sum of its proper divisors (213865).

490503 is a wasteful number, since it uses less digits than its factorization.

490503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12593.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 490503 is about 700.3591935571. The cubic root of 490503 is about 78.8643187239.

Adding to 490503 its reverse (305094), we get a palindrome (795597).

The spelling of 490503 in words is "four hundred ninety thousand, five hundred three".

Divisors: 1 3 13 39 12577 37731 163501 490503