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389232000 = 2733531753
BaseRepresentation
bin10111001100110…
…011010110000000
31000010102000221000
4113030303112000
51244120411000
6102342332000
712434263113
oct2714632600
91003360830
10389232000
1118a790843
12aa42a000
13628412c1
14399a057a
1524288000
hex17333580

389232000 has 512 divisors, whose sum is σ = 1546646400. Its totient is φ = 95846400.

The previous prime is 389231959. The next prime is 389232007. The reversal of 389232000 is 232983.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389232007) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 7343974 + ... + 7344026.

Almost surely, 2389232000 is an apocalyptic number.

389232000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773323200).

389232000 is an abundant number, since it is smaller than the sum of its proper divisors (1157414400).

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

389232000 is a wasteful number, since it uses less digits than its factorization.

389232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 389232000 is about 19728.9634801223. The cubic root of 389232000 is about 730.1344595007.

Adding to 389232000 its reverse (232983), we get a palindrome (389464983).

The spelling of 389232000 in words is "three hundred eighty-nine million, two hundred thirty-two thousand".