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1028479 is a prime number
BaseRepresentation
bin11111011000101111111
31221020210211
43323011333
5230402404
634013251
711512324
oct3730577
91836724
101028479
11642791
12417227
132a018a
141cab4b
15154b04
hexfb17f

1028479 has 2 divisors, whose sum is σ = 1028480. Its totient is φ = 1028478.

The previous prime is 1028473. The next prime is 1028509. The reversal of 1028479 is 9748201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028479 - 23 = 1028471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1028479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514239 + 514240.

It is an arithmetic number, because the mean of its divisors is an integer number (514240).

21028479 is an apocalyptic number.

1028479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028479 is an equidigital number, since it uses as much as digits as its factorization.

1028479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1028479 is about 1014.1395367502. The cubic root of 1028479 is about 100.9404282236.

The spelling of 1028479 in words is "one million, twenty-eight thousand, four hundred seventy-nine".