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490783 is a prime number
BaseRepresentation
bin1110111110100011111
3220221020011
41313310133
5111201113
614304051
74112566
oct1676437
9827204
10490783
11305807
121b8027
13142507
14cabdd
159a63d
hex77d1f

490783 has 2 divisors, whose sum is σ = 490784. Its totient is φ = 490782.

The previous prime is 490771. The next prime is 490829. The reversal of 490783 is 387094.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490783 - 29 = 490271 is a prime.

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

490783 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245391 + 245392.

It is an arithmetic number, because the mean of its divisors is an integer number (245392).

2490783 is an apocalyptic number.

490783 is a deficient number, since it is larger than the sum of its proper divisors (1).

490783 is an equidigital number, since it uses as much as digits as its factorization.

490783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 490783 is about 700.5590624637. The cubic root of 490783 is about 78.8793222399.

The spelling of 490783 in words is "four hundred ninety thousand, seven hundred eighty-three".