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1028262407 is a prime number
BaseRepresentation
bin111101010010100…
…000101000000111
32122122212010211212
4331102200220013
54101213344112
6250011122035
734324041404
oct7522405007
92578763755
101028262407
11488477847
1224844331b
131350542c3
149a7c72ab
1560415522
hex3d4a0a07

1028262407 has 2 divisors, whose sum is σ = 1028262408. Its totient is φ = 1028262406.

The previous prime is 1028262359. The next prime is 1028262497. The reversal of 1028262407 is 7042628201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028262407 - 222 = 1024068103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028262497) 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, 514131203 + 514131204.

It is an arithmetic number, because the mean of its divisors is an integer number (514131204).

Almost surely, 21028262407 is an apocalyptic number.

1028262407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028262407 is an equidigital number, since it uses as much as digits as its factorization.

1028262407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1028262407 is about 32066.5309473912. The cubic root of 1028262407 is about 1009.3334186106. Note that the first 3 decimals are identical.

The spelling of 1028262407 in words is "one billion, twenty-eight million, two hundred sixty-two thousand, four hundred seven".