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1380832800 = 253524991153
BaseRepresentation
bin101001001001101…
…1101011000100000
310120020021120111120
41102103131120200
510311443122200
6345004012240
746134612414
oct12223353040
93506246446
101380832800
11649498136
12326531080
131900ca439
14d1562d44
158135a9a0
hex524dd620

1380832800 has 144 divisors (see below), whose sum is σ = 4507524000. Its totient is φ = 367165440.

The previous prime is 1380832799. The next prime is 1380832801. The reversal of 1380832800 is 82380831.

It is an interprime number because it is at equal distance from previous prime (1380832799) and next prime (1380832801).

It is not an unprimeable number, because it can be changed into a prime (1380832801) 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 23 ways as a sum of consecutive naturals, for example, 1197024 + ... + 1198176.

It is an arithmetic number, because the mean of its divisors is an integer number (31302250).

Almost surely, 21380832800 is an apocalyptic number.

1380832800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380832800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253762000).

1380832800 is an abundant number, since it is smaller than the sum of its proper divisors (3126691200).

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

1380832800 is a wasteful number, since it uses less digits than its factorization.

1380832800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1380832800 is about 37159.5586626106. The cubic root of 1380832800 is about 1113.5601945658.

The spelling of 1380832800 in words is "one billion, three hundred eighty million, eight hundred thirty-two thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 499 600 800 998 1153 1200 1497 1996 2306 2400 2495 2994 3459 3992 4612 4990 5765 5988 6918 7485 7984 9224 9980 11530 11976 12475 13836 14970 15968 17295 18448 19960 23060 23952 24950 27672 28825 29940 34590 36896 37425 39920 46120 47904 49900 55344 57650 59880 69180 74850 79840 86475 92240 99800 110688 115300 119760 138360 149700 172950 184480 199600 230600 239520 276720 299400 345900 399200 461200 553440 575347 598800 691800 922400 1150694 1197600 1383600 1726041 2301388 2767200 2876735 3452082 4602776 5753470 6904164 8630205 9205552 11506940 13808328 14383675 17260410 18411104 23013880 27616656 28767350 34520820 43151025 46027760 55233312 57534700 69041640 86302050 92055520 115069400 138083280 172604100 230138800 276166560 345208200 460277600 690416400 1380832800