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1028323044 = 223274080647
BaseRepresentation
bin111101010010101…
…111011011100100
32122122222020000200
4331102233123210
54101222314134
6250012310500
734324413240
oct7522573344
92578866020
101028323044
11488509361
12248472430
13135075a98
149a801420
1560428499
hex3d4af6e4

1028323044 has 36 divisors (see below), whose sum is σ = 2970711744. Its totient is φ = 293806512.

The previous prime is 1028323039. The next prime is 1028323069. The reversal of 1028323044 is 4403238201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1028322999 and 1028323017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2040072 + ... + 2040575.

Almost surely, 21028323044 is an apocalyptic number.

1028323044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1028323044 is an abundant number, since it is smaller than the sum of its proper divisors (1942388700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028323044 is a wasteful number, since it uses less digits than its factorization.

1028323044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080664 (or 4080659 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1028323044 is about 32067.4764208224. The cubic root of 1028323044 is about 1009.3532584709.

The spelling of 1028323044 in words is "one billion, twenty-eight million, three hundred twenty-three thousand, forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 4080647 8161294 12241941 16322588 24483882 28564529 36725823 48967764 57129058 73451646 85693587 114258116 146903292 171387174 257080761 342774348 514161522 1028323044