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1030493 is a prime number
BaseRepresentation
bin11111011100101011101
31221100120102
43323211131
5230433433
634030445
711521232
oct3734535
91840512
101030493
11644252
12418425
132a1079
141cb789
151554e8
hexfb95d

1030493 has 2 divisors, whose sum is σ = 1030494. Its totient is φ = 1030492.

The previous prime is 1030451. The next prime is 1030511. The reversal of 1030493 is 3940301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 597529 + 432964 = 773^2 + 658^2 .

It is an emirp because it is prime and its reverse (3940301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030493 - 26 = 1030429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515246 + 515247.

It is an arithmetic number, because the mean of its divisors is an integer number (515247).

21030493 is an apocalyptic number.

It is an amenable number.

1030493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030493 is an equidigital number, since it uses as much as digits as its factorization.

1030493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1030493 is about 1015.1320111197. The cubic root of 1030493 is about 101.0062735050.

Adding to 1030493 its reverse (3940301), we get a palindrome (4970794).

It can be divided in two parts, 10 and 30493, that added together give a palindrome (30503).

The spelling of 1030493 in words is "one million, thirty thousand, four hundred ninety-three".