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1488989060 = 225135726881
BaseRepresentation
bin101100011000000…
…0010101110000100
310211202210110222222
41120300002232010
511022140122220
6403430111512
751620124656
oct13060025604
93752713888
101488989060
116a454a579
123567ab598
131a9638520
14101a786d6
158aac1e25
hex58c02b84

1488989060 has 24 divisors (see below), whose sum is σ = 3367406616. Its totient is φ = 549780480.

The previous prime is 1488989059. The next prime is 1488989083. The reversal of 1488989060 is 609898841.

It can be written as a sum of positive squares in 4 ways, for example, as 314281984 + 1174707076 = 17728^2 + 34274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1488988993 and 1488989011.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2863181 + ... + 2863700.

It is an arithmetic number, because the mean of its divisors is an integer number (140308609).

Almost surely, 21488989060 is an apocalyptic number.

1488989060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1488989060 is an abundant number, since it is smaller than the sum of its proper divisors (1878417556).

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

1488989060 is a wasteful number, since it uses less digits than its factorization.

1488989060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726903 (or 5726901 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 1488989060 is about 38587.4210073697. The cubic root of 1488989060 is about 1141.9063875345.

The spelling of 1488989060 in words is "one billion, four hundred eighty-eight million, nine hundred eighty-nine thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 5726881 11453762 22907524 28634405 57268810 74449453 114537620 148898906 297797812 372247265 744494530 1488989060