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3285284772 = 223721147101107
BaseRepresentation
bin1100001111010001…
…0111011110100100
322110221211202110210
43003310113132210
523212013103042
61301555015420
7144261313500
oct30364273644
98427752423
103285284772
111436504090
1277829a570
1340482c4b3
14232469300
15143647a9c
hexc3d177a4

3285284772 has 288 divisors, whose sum is σ = 10126964736. Its totient is φ = 819168000.

The previous prime is 3285284719. The next prime is 3285284897. The reversal of 3285284772 is 2774825823.

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 95 ways as a sum of consecutive naturals, for example, 30703543 + ... + 30703649.

It is an arithmetic number, because the mean of its divisors is an integer number (35163072).

Almost surely, 23285284772 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 3285284772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5063482368).

3285284772 is an abundant number, since it is smaller than the sum of its proper divisors (6841679964).

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

3285284772 is a wasteful number, since it uses less digits than its factorization.

3285284772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 278 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The square root of 3285284772 is about 57317.4037444126. The cubic root of 3285284772 is about 1486.5893147722.

The spelling of 3285284772 in words is "three billion, two hundred eighty-five million, two hundred eighty-four thousand, seven hundred seventy-two".