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1020293 is a prime number
BaseRepresentation
bin11111001000110000101
31220211120122
43321012011
5230122133
633511325
711446421
oct3710605
91824518
101020293
1163761a
12412545
13299531
141c7b81
15152498
hexf9185

1020293 has 2 divisors, whose sum is σ = 1020294. Its totient is φ = 1020292.

The previous prime is 1020269. The next prime is 1020301. The reversal of 1020293 is 3920201.

1020293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 889249 + 131044 = 943^2 + 362^2 .

It is an emirp because it is prime and its reverse (3920201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020293 - 28 = 1020037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510146 + 510147.

It is an arithmetic number, because the mean of its divisors is an integer number (510147).

21020293 is an apocalyptic number.

It is an amenable number.

1020293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020293 is an equidigital number, since it uses as much as digits as its factorization.

1020293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1020293 is about 1010.0955400357. The cubic root of 1020293 is about 100.6719086102.

Adding to 1020293 its reverse (3920201), we get a palindrome (4940494).

The spelling of 1020293 in words is "one million, twenty thousand, two hundred ninety-three".