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387321063 = 3199648779
BaseRepresentation
bin10111000101100…
…000110011100111
3222222210221121120
4113011200303213
51243123233223
6102233345023
712412113633
oct2705406347
9888727546
10387321063
111896a6058
12a9868173
136232257c
1439623dc3
152400bbe3
hex17160ce7

387321063 has 8 divisors (see below), whose sum is σ = 519024000. Its totient is φ = 256916088.

The previous prime is 387321049. The next prime is 387321079. The reversal of 387321063 is 360123783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 387321063 - 28 = 387320807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387321043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323793 + ... + 324986.

It is an arithmetic number, because the mean of its divisors is an integer number (64878000).

Almost surely, 2387321063 is an apocalyptic number.

387321063 is a deficient number, since it is larger than the sum of its proper divisors (131702937).

387321063 is a wasteful number, since it uses less digits than its factorization.

387321063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648981.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 387321063 is about 19680.4741558734. The cubic root of 387321063 is about 728.9376321444.

The spelling of 387321063 in words is "three hundred eighty-seven million, three hundred twenty-one thousand, sixty-three".

Divisors: 1 3 199 597 648779 1946337 129107021 387321063