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490410457 is a prime number
BaseRepresentation
bin11101001110110…
…001000111011001
31021011210102200021
4131032301013121
52001021113312
6120355110441
715103264045
oct3516610731
91234712607
10490410457
112319076a9
121182a2421
137a7a8304
14491bb025
152d0c1c07
hex1d3b11d9

490410457 has 2 divisors, whose sum is σ = 490410458. Its totient is φ = 490410456.

The previous prime is 490410451. The next prime is 490410467. The reversal of 490410457 is 754014094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 474760521 + 15649936 = 21789^2 + 3956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-490410457 is a prime.

It is not a weakly prime, because it can be changed into another prime (490410451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245205228 + 245205229.

It is an arithmetic number, because the mean of its divisors is an integer number (245205229).

Almost surely, 2490410457 is an apocalyptic number.

It is an amenable number.

490410457 is a deficient number, since it is larger than the sum of its proper divisors (1).

490410457 is an equidigital number, since it uses as much as digits as its factorization.

490410457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 490410457 is about 22145.2129590122. The cubic root of 490410457 is about 788.5935864574.

The spelling of 490410457 in words is "four hundred ninety million, four hundred ten thousand, four hundred fifty-seven".