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1028235 = 35135273
BaseRepresentation
bin11111011000010001011
31221020110210
43323002023
5230400420
634012203
711511525
oct3730213
91836423
101028235
1164258a
12417063
132a0030
141caa15
151549e0
hexfb08b

1028235 has 16 divisors (see below), whose sum is σ = 1772064. Its totient is φ = 506112.

The previous prime is 1028231. The next prime is 1028243. The reversal of 1028235 is 5328201.

It is not a de Polignac number, because 1028235 - 22 = 1028231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (110754).

21028235 is an apocalyptic number.

1028235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1028235 is a deficient number, since it is larger than the sum of its proper divisors (743829).

1028235 is a wasteful number, since it uses less digits than its factorization.

1028235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1028235 is about 1014.0192305869. The cubic root of 1028235 is about 100.9324451040.

The spelling of 1028235 in words is "one million, twenty-eight thousand, two hundred thirty-five".

Divisors: 1 3 5 13 15 39 65 195 5273 15819 26365 68549 79095 205647 342745 1028235