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1328152384 = 26133974021
BaseRepresentation
bin100111100101001…
…1111111101000000
310102120011010120001
41033022133331000
510210001334014
6335442525344
744625052246
oct11712377500
93376133501
101328152384
116217865a9
12310966854
13182213cb0
14c856c796
157b901974
hex4f29ff40

1328152384 has 56 divisors (see below), whose sum is σ = 2846144168. Its totient is φ = 611297280.

The previous prime is 1328152369. The next prime is 1328152409. The reversal of 1328152384 is 4832518231.

It can be written as a sum of positive squares in 4 ways, for example, as 278784 + 1327873600 = 528^2 + 36440^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 328294 + ... + 332314.

It is an arithmetic number, because the mean of its divisors is an integer number (50824003).

Almost surely, 21328152384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328152384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423072084).

1328152384 is an abundant number, since it is smaller than the sum of its proper divisors (1517991784).

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

1328152384 is a wasteful number, since it uses less digits than its factorization.

1328152384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443 (or 4433 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 1328152384 is about 36443.8250462270. The cubic root of 1328152384 is about 1099.2149726721.

The spelling of 1328152384 in words is "one billion, three hundred twenty-eight million, one hundred fifty-two thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 397 416 794 832 1588 3176 4021 5161 6352 8042 10322 12704 16084 20644 25408 32168 41288 52273 64336 82576 104546 128672 165152 209092 257344 330304 418184 836368 1596337 1672736 3192674 3345472 6385348 12770696 20752381 25541392 41504762 51082784 83009524 102165568 166019048 332038096 664076192 1328152384