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1384321120 = 255713313067
BaseRepresentation
bin101001010000011…
…0001000001100000
310120110211210120121
41102200301001200
510313341233440
6345210450024
746206351430
oct12240610140
93513753517
101384321120
1165045aa46
12327733914
13190a4c130
14d1bd02c0
15817e934a
hex52831060

1384321120 has 192 divisors, whose sum is σ = 4156379136. Its totient is φ = 423843840.

The previous prime is 1384321117. The next prime is 1384321139. The reversal of 1384321120 is 211234831.

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 31 ways as a sum of consecutive naturals, for example, 449827 + ... + 452893.

It is an arithmetic number, because the mean of its divisors is an integer number (21647808).

Almost surely, 21384321120 is an apocalyptic number.

1384321120 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 1384321120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2078189568).

1384321120 is an abundant number, since it is smaller than the sum of its proper divisors (2772058016).

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

1384321120 is a wasteful number, since it uses less digits than its factorization.

1384321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133 (or 3125 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1384321120 is about 37206.4661046974. The cubic root of 1384321120 is about 1114.4971141443.

Adding to 1384321120 its reverse (211234831), we get a palindrome (1595555951).

The spelling of 1384321120 in words is "one billion, three hundred eighty-four million, three hundred twenty-one thousand, one hundred twenty".