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490493 is a prime number
BaseRepresentation
bin1110111101111111101
3220220211102
41313233331
5111143433
614302445
74112003
oct1675775
9826742
10490493
11305573
121b7a25
13142343
14caa73
159a4e8
hex77bfd

490493 has 2 divisors, whose sum is σ = 490494. Its totient is φ = 490492.

The previous prime is 490481. The next prime is 490499. The reversal of 490493 is 394094.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344569 + 145924 = 587^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 490493 - 212 = 486397 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490493.

It is not a weakly prime, because it can be changed into another prime (490499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245246 + 245247.

It is an arithmetic number, because the mean of its divisors is an integer number (245247).

2490493 is an apocalyptic number.

It is an amenable number.

490493 is a deficient number, since it is larger than the sum of its proper divisors (1).

490493 is an equidigital number, since it uses as much as digits as its factorization.

490493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 490493 is about 700.3520543270. The cubic root of 490493 is about 78.8637827785.

The spelling of 490493 in words is "four hundred ninety thousand, four hundred ninety-three".