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3287378444 = 227216772339
BaseRepresentation
bin1100001111110001…
…0110101000001100
322111002210010110012
43003330112220030
523213032102234
61302111532352
7144315153500
oct30374265014
98432703405
103287378444
111437704099
12778b2a0b8
134050b345c
14232852300
1514390d0ce
hexc3f16a0c

3287378444 has 18 divisors (see below), whose sum is σ = 6692163660. Its totient is φ = 1408876392.

The previous prime is 3287378429. The next prime is 3287378449. The reversal of 3287378444 is 4448737823.

It is a super-2 number, since 2×32873784442 = 21613714068151722272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3287378392 and 3287378401.

It is not an unprimeable number, because it can be changed into a prime (3287378449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8385974 + ... + 8386365.

It is an arithmetic number, because the mean of its divisors is an integer number (371786870).

Almost surely, 23287378444 is an apocalyptic number.

It is an amenable number.

3287378444 is an abundant number, since it is smaller than the sum of its proper divisors (3404785216).

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

3287378444 is a wasteful number, since it uses less digits than its factorization.

3287378444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16772357 (or 16772348 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 50.

The square root of 3287378444 is about 57335.6646774065. The cubic root of 3287378444 is about 1486.9050428041.

The spelling of 3287378444 in words is "three billion, two hundred eighty-seven million, three hundred seventy-eight thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 16772339 33544678 67089356 117406373 234812746 469625492 821844611 1643689222 3287378444