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387304928 = 2512103279
BaseRepresentation
bin10111000101011…
…100110111100000
3222222210010110222
4113011130313200
51243122224203
6102233142212
712412015613
oct2705346740
9888703428
10387304928
11189694a1a
12a985a968
136231811a
143961c17a
1524007038
hex1715cde0

387304928 has 12 divisors (see below), whose sum is σ = 762506640. Its totient is φ = 193652448.

The previous prime is 387304927. The next prime is 387304933. The reversal of 387304928 is 829403783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387304927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051608 + ... + 6051671.

It is an arithmetic number, because the mean of its divisors is an integer number (63542220).

Almost surely, 2387304928 is an apocalyptic number.

It is an amenable number.

387304928 is a deficient number, since it is larger than the sum of its proper divisors (375201712).

387304928 is a wasteful number, since it uses less digits than its factorization.

387304928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103289 (or 12103281 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 387304928 is about 19680.0642275375. The cubic root of 387304928 is about 728.9275099890.

The spelling of 387304928 in words is "three hundred eighty-seven million, three hundred four thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 12103279 24206558 48413116 96826232 193652464 387304928