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490271 is a prime number
BaseRepresentation
bin1110111101100011111
3220220112012
41313230133
5111142041
614301435
74111235
oct1675437
9826465
10490271
11305391
121b787b
13142202
14ca955
159a3eb
hex77b1f

490271 has 2 divisors, whose sum is σ = 490272. Its totient is φ = 490270.

The previous prime is 490267. The next prime is 490277. The reversal of 490271 is 172094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490271 - 22 = 490267 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245135 + 245136.

It is an arithmetic number, because the mean of its divisors is an integer number (245136).

2490271 is an apocalyptic number.

490271 is a deficient number, since it is larger than the sum of its proper divisors (1).

490271 is an equidigital number, since it uses as much as digits as its factorization.

490271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 490271 is about 700.1935446718. The cubic root of 490271 is about 78.8518829132.

The spelling of 490271 in words is "four hundred ninety thousand, two hundred seventy-one".