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1030993 is a prime number
BaseRepresentation
bin11111011101101010001
31221101020221
43323231101
5230442433
634033041
711522545
oct3735521
91841227
101030993
11644667
12418781
132a1372
141cba25
1515572d
hexfbb51

1030993 has 2 divisors, whose sum is σ = 1030994. Its totient is φ = 1030992.

The previous prime is 1030987. The next prime is 1031003. The reversal of 1030993 is 3990301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986049 + 44944 = 993^2 + 212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1030993 is a prime.

It is a super-4 number, since 4×10309934 (a number of 25 digits) contains 4444 as substring.

It is equal to p80773 and since 1030993 and 80773 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (1030933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515496 + 515497.

It is an arithmetic number, because the mean of its divisors is an integer number (515497).

21030993 is an apocalyptic number.

It is an amenable number.

1030993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030993 is an equidigital number, since it uses as much as digits as its factorization.

1030993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 1030993 is about 1015.3782546421. The cubic root of 1030993 is about 101.0226071016.

The spelling of 1030993 in words is "one million, thirty thousand, nine hundred ninety-three".