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3287945472 = 28372412131
BaseRepresentation
bin1100001111111010…
…0001000100000000
322111010211221021020
43003332201010000
523213203223342
61302132025440
7144323034600
oct30376410400
98433757236
103287945472
111437a61109
12779162280
13405251586
1423295cc00
151439c10ec
hexc3fa1100

3287945472 has 216 divisors, whose sum is σ = 10432592352. Its totient is φ = 916070400.

The previous prime is 3287945413. The next prime is 3287945509. The reversal of 3287945472 is 2745497823.

Its product of digits (3386880) is a multiple of the sum of its prime factors (2205).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1541847 + ... + 1543977.

Almost surely, 23287945472 is an apocalyptic number.

3287945472 is a gapful number since it is divisible by the number (32) 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 3287945472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5216296176).

3287945472 is an abundant number, since it is smaller than the sum of its proper divisors (7144646880).

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

3287945472 is a wasteful number, since it uses less digits than its factorization.

3287945472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2184 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The square root of 3287945472 is about 57340.6092747540. The cubic root of 3287945472 is about 1486.9905281776.

The spelling of 3287945472 in words is "three billion, two hundred eighty-seven million, nine hundred forty-five thousand, four hundred seventy-two".