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490168241 is a prime number
BaseRepresentation
bin11101001101110…
…101111110110001
31021011100010102022
4131031311332301
52000440340431
6120350001225
715101234633
oct3515657661
91234303368
10490168241
11231761722
121181a6215
137a721ca4
1449156a53
152d07507b
hex1d375fb1

490168241 has 2 divisors, whose sum is σ = 490168242. Its totient is φ = 490168240.

The previous prime is 490168201. The next prime is 490168247. The reversal of 490168241 is 142861094.

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., 481144225 + 9024016 = 21935^2 + 3004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-490168241 is a prime.

It is not a weakly prime, because it can be changed into another prime (490168247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245084120 + 245084121.

It is an arithmetic number, because the mean of its divisors is an integer number (245084121).

Almost surely, 2490168241 is an apocalyptic number.

It is an amenable number.

490168241 is a deficient number, since it is larger than the sum of its proper divisors (1).

490168241 is an equidigital number, since it uses as much as digits as its factorization.

490168241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 490168241 is about 22139.7434718653. The cubic root of 490168241 is about 788.4637350666.

The spelling of 490168241 in words is "four hundred ninety million, one hundred sixty-eight thousand, two hundred forty-one".