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389272371 = 3656919753
BaseRepresentation
bin10111001100111…
…101001100110011
31000010111002022020
4113030331030303
51244123203441
6102343242523
712434521605
oct2714751463
91003432266
10389272371
1118a809104
12aa449443
13628567a7
14399b1175
1524294e66
hex1733d333

389272371 has 8 divisors (see below), whose sum is σ = 519135120. Its totient is φ = 259462272.

The previous prime is 389272357. The next prime is 389272379. The reversal of 389272371 is 173272983.

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

It is not a de Polignac number, because 389272371 - 27 = 389272243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389272379) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9831 + ... + 29583.

It is an arithmetic number, because the mean of its divisors is an integer number (64891890).

Almost surely, 2389272371 is an apocalyptic number.

389272371 is a deficient number, since it is larger than the sum of its proper divisors (129862749).

389272371 is a wasteful number, since it uses less digits than its factorization.

389272371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26325.

The product of its digits is 127008, while the sum is 42.

The square root of 389272371 is about 19729.9865940147. The cubic root of 389272371 is about 730.1597017206.

The spelling of 389272371 in words is "three hundred eighty-nine million, two hundred seventy-two thousand, three hundred seventy-one".

Divisors: 1 3 6569 19707 19753 59259 129757457 389272371