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1028283 = 3342761
BaseRepresentation
bin11111011000010111011
31221020112120
43323002323
5230401113
634012323
711511624
oct3730273
91836476
101028283
11642623
124170a3
132a0069
141caa4b
15154a23
hexfb0bb

1028283 has 4 divisors (see below), whose sum is σ = 1371048. Its totient is φ = 685520.

The previous prime is 1028273. The next prime is 1028303. The reversal of 1028283 is 3828201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028283 - 216 = 962747 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1028213) 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 in 3 ways as a sum of consecutive naturals, for example, 171378 + ... + 171383.

It is an arithmetic number, because the mean of its divisors is an integer number (342762).

21028283 is an apocalyptic number.

1028283 is a deficient number, since it is larger than the sum of its proper divisors (342765).

1028283 is an equidigital number, since it uses as much as digits as its factorization.

1028283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342764.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1028283 is about 1014.0428985008. The cubic root of 1028283 is about 100.9340156535.

It can be divided in two parts, 102828 and 3, that added together give a triangular number (102831 = T453).

The spelling of 1028283 in words is "one million, twenty-eight thousand, two hundred eighty-three".

Divisors: 1 3 342761 1028283