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1028133 = 354231
BaseRepresentation
bin11111011000000100101
31221020100000
43323000211
5230400013
634011513
711511321
oct3730045
91836300
101028133
116424a7
12416b99
1329cc82
141ca981
15154973
hexfb025

1028133 has 12 divisors (see below), whose sum is σ = 1540448. Its totient is φ = 685260.

The previous prime is 1028129. The next prime is 1028141. The reversal of 1028133 is 3318201.

1028133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1028133 - 22 = 1028129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1873 + ... + 2358.

21028133 is an apocalyptic number.

It is an amenable number.

1028133 is a deficient number, since it is larger than the sum of its proper divisors (512315).

1028133 is an frugal number, since it uses more digits than its factorization.

1028133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1028133 is about 1013.9689344354. The cubic root of 1028133 is about 100.9291075240.

The spelling of 1028133 in words is "one million, twenty-eight thousand, one hundred thirty-three".

Divisors: 1 3 9 27 81 243 4231 12693 38079 114237 342711 1028133