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1028860297 is a prime number
BaseRepresentation
bin111101010100110…
…010100110001001
32122200222111222221
4331110302212021
54101342012142
6250032014041
734332111463
oct7524624611
92580874887
101028860297
11488845a73
12248691321
1313520349a
149a901133
15604d2767
hex3d532989

1028860297 has 2 divisors, whose sum is σ = 1028860298. Its totient is φ = 1028860296.

The previous prime is 1028860253. The next prime is 1028860307. The reversal of 1028860297 is 7920688201.

1028860297 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., 1027907721 + 952576 = 32061^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028860297 - 27 = 1028860169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1028860397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514430148 + 514430149.

It is an arithmetic number, because the mean of its divisors is an integer number (514430149).

Almost surely, 21028860297 is an apocalyptic number.

It is an amenable number.

1028860297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028860297 is an equidigital number, since it uses as much as digits as its factorization.

1028860297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1028860297 is about 32075.8522412110. The cubic root of 1028860297 is about 1009.5290085778.

The spelling of 1028860297 in words is "one billion, twenty-eight million, eight hundred sixty thousand, two hundred ninety-seven".