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1028047 is a prime number
BaseRepresentation
bin11111010111111001111
31221020012211
43322333033
5230344142
634011251
711511136
oct3727717
91836184
101028047
11642429
12416b27
1329cc17
141ca91d
15154917
hexfafcf

1028047 has 2 divisors, whose sum is σ = 1028048. Its totient is φ = 1028046.

The previous prime is 1028029. The next prime is 1028051. The reversal of 1028047 is 7408201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1028047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514023 + 514024.

It is an arithmetic number, because the mean of its divisors is an integer number (514024).

21028047 is an apocalyptic number.

1028047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028047 is an equidigital number, since it uses as much as digits as its factorization.

1028047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1028047 is about 1013.9265259377. The cubic root of 1028047 is about 100.9262933144.

The spelling of 1028047 in words is "one million, twenty-eight thousand, forty-seven".