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491424301 is a prime number
BaseRepresentation
bin11101010010101…
…000101000101101
31021020200221102001
4131102220220231
52001301034201
6120432532301
715115015624
oct3522505055
91236627361
10491424301
1123243a395
121186b1091
137aa71914
14493a26bb
152d222301
hex1d4a8a2d

491424301 has 2 divisors, whose sum is σ = 491424302. Its totient is φ = 491424300.

The previous prime is 491424293. The next prime is 491424313. The reversal of 491424301 is 103424194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489736900 + 1687401 = 22130^2 + 1299^2 .

It is a cyclic number.

It is not a de Polignac number, because 491424301 - 23 = 491424293 is a prime.

It is a super-2 number, since 2×4914243012 = 482995687226677202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 491424301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (491424001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245712150 + 245712151.

It is an arithmetic number, because the mean of its divisors is an integer number (245712151).

Almost surely, 2491424301 is an apocalyptic number.

It is an amenable number.

491424301 is a deficient number, since it is larger than the sum of its proper divisors (1).

491424301 is an equidigital number, since it uses as much as digits as its factorization.

491424301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 491424301 is about 22168.0919566840. The cubic root of 491424301 is about 789.1366421390.

Adding to 491424301 its reverse (103424194), we get a palindrome (594848495).

The spelling of 491424301 in words is "four hundred ninety-one million, four hundred twenty-four thousand, three hundred one".