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490253513 is a prime number
BaseRepresentation
bin11101001110001…
…010110011001001
31021011111110101112
4131032022303021
52001001103023
6120351500105
715102041351
oct3516126311
91234443345
10490253513
1123180a7a2
12118227635
137a751a49
1449179b61
152d090478
hex1d38acc9

490253513 has 2 divisors, whose sum is σ = 490253514. Its totient is φ = 490253512.

The previous prime is 490253503. The next prime is 490253521. The reversal of 490253513 is 315352094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350138944 + 140114569 = 18712^2 + 11837^2 .

It is a cyclic number.

It is not a de Polignac number, because 490253513 - 210 = 490252489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490253513.

It is not a weakly prime, because it can be changed into another prime (490253503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245126756 + 245126757.

It is an arithmetic number, because the mean of its divisors is an integer number (245126757).

Almost surely, 2490253513 is an apocalyptic number.

It is an amenable number.

490253513 is a deficient number, since it is larger than the sum of its proper divisors (1).

490253513 is an equidigital number, since it uses as much as digits as its factorization.

490253513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 490253513 is about 22141.6691556892. The cubic root of 490253513 is about 788.5094540501.

The spelling of 490253513 in words is "four hundred ninety million, two hundred fifty-three thousand, five hundred thirteen".