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3887864344 = 2371319727109
BaseRepresentation
bin1110011110111100…
…0001101000011000
3101000221200222020201
43213233001220120
530430243124334
61441442231544
7165226205320
oct34757015030
911027628221
103887864344
111715664031
129060555b4
1349c61c260
1428c4c4280
1517b4c4c14
hexe7bc1a18

3887864344 has 64 divisors (see below), whose sum is σ = 9017870400. Its totient is φ = 1530192384.

The previous prime is 3887864339. The next prime is 3887864353. The reversal of 3887864344 is 4434687883.

3887864344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129862 + ... + 156970.

It is an arithmetic number, because the mean of its divisors is an integer number (140904225).

Almost surely, 23887864344 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 3887864344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4508935200).

3887864344 is an abundant number, since it is smaller than the sum of its proper divisors (5130006056).

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

3887864344 is a wasteful number, since it uses less digits than its factorization.

3887864344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27332 (or 27328 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 55.

The square root of 3887864344 is about 62352.7412709337. The cubic root of 3887864344 is about 1572.4265482831.

The spelling of 3887864344 in words is "three billion, eight hundred eighty-seven million, eight hundred sixty-four thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 197 364 394 728 788 1379 1576 2561 2758 5122 5516 10244 11032 17927 20488 27109 35854 54218 71708 108436 143416 189763 216872 352417 379526 704834 759052 1409668 1518104 2466919 2819336 4933838 5340473 9867676 10680946 19735352 21361892 37383311 42723784 69426149 74766622 138852298 149533244 277704596 299066488 485983043 555409192 971966086 1943932172 3887864344