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387678328 = 23193251087
BaseRepresentation
bin10111000110111…
…000000001111000
31000000111002200121
4113012320001320
51243221201303
6102245143024
712415132342
oct2706700170
91000432617
10387678328
1118991a514
12a99baa74
136241907b
14396b8292
152407c9bd
hex171b8078

387678328 has 16 divisors (see below), whose sum is σ = 730666080. Its totient is φ = 192834048.

The previous prime is 387678259. The next prime is 387678331. The reversal of 387678328 is 823876783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124000 + ... + 127087.

It is an arithmetic number, because the mean of its divisors is an integer number (45666630).

Almost surely, 2387678328 is an apocalyptic number.

It is an amenable number.

387678328 is a deficient number, since it is larger than the sum of its proper divisors (342987752).

387678328 is a wasteful number, since it uses less digits than its factorization.

387678328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251286 (or 251282 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 387678328 is about 19689.5486997544. The cubic root of 387678328 is about 729.1616873253.

The spelling of 387678328 in words is "three hundred eighty-seven million, six hundred seventy-eight thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 193 386 772 1544 251087 502174 1004348 2008696 48459791 96919582 193839164 387678328