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1330342240 = 25552115959
BaseRepresentation
bin100111101001011…
…0110100101100000
310102201021101110211
41033102312211200
510211031422430
6340001503504
744652502543
oct11722664540
93381241424
101330342240
11622a418a7
12311641b94
131827cc976
14c897c85a
157bbd572a
hex4f4b6960

1330342240 has 48 divisors (see below), whose sum is σ = 3149163360. Its totient is φ = 531082240.

The previous prime is 1330342219. The next prime is 1330342301. The reversal of 1330342240 is 422430331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75381 + ... + 91339.

It is an arithmetic number, because the mean of its divisors is an integer number (65607570).

Almost surely, 21330342240 is an apocalyptic number.

1330342240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330342240 is an abundant number, since it is smaller than the sum of its proper divisors (1818821120).

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

1330342240 is a wasteful number, since it uses less digits than its factorization.

1330342240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16495 (or 16487 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1330342240 is about 36473.8569389090. The cubic root of 1330342240 is about 1099.8187690409.

Adding to 1330342240 its reverse (422430331), we get a palindrome (1752772571).

The spelling of 1330342240 in words is "one billion, three hundred thirty million, three hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 521 1042 2084 2605 4168 5210 8336 10420 15959 16672 20840 31918 41680 63836 79795 83360 127672 159590 255344 319180 510688 638360 1276720 2553440 8314639 16629278 33258556 41573195 66517112 83146390 133034224 166292780 266068448 332585560 665171120 1330342240