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1809000330 = 235103585437
BaseRepresentation
bin110101111010011…
…0010011110001010
311200001221201221020
41223310302132022
512201101002310
6455301053310
762554151304
oct15364623612
94601851836
101809000330
118491517a5
124259b7236
1322aa218c7
1413237a974
15a8c35170
hex6bd3278a

1809000330 has 32 divisors (see below), whose sum is σ = 4383759744. Its totient is φ = 477715776.

The previous prime is 1809000289. The next prime is 1809000377. The reversal of 1809000330 is 330009081.

It is a self number, because there is not a number n which added to its sum of digits gives 1809000330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289629 + ... + 295808.

It is an arithmetic number, because the mean of its divisors is an integer number (136992492).

Almost surely, 21809000330 is an apocalyptic number.

1809000330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1809000330 is an abundant number, since it is smaller than the sum of its proper divisors (2574759414).

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

1809000330 is a wasteful number, since it uses less digits than its factorization.

1809000330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585550.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1809000330 is about 42532.3445156742. The cubic root of 1809000330 is about 1218.4645042250.

The spelling of 1809000330 in words is "one billion, eight hundred nine million, three hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 585437 1170874 1756311 2927185 3512622 5854370 8781555 17563110 60300011 120600022 180900033 301500055 361800066 603000110 904500165 1809000330