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382389 = 37131139
BaseRepresentation
bin1011101010110110101
3201102112120
41131112311
544214024
612110153
73151560
oct1352665
9642476
10382389
11241327
12165359
13105087
149d4d7
1578479
hex5d5b5

382389 has 16 divisors (see below), whose sum is σ = 591360. Its totient is φ = 215280.

The previous prime is 382373. The next prime is 382391. The reversal of 382389 is 983283.

It is not a de Polignac number, because 382389 - 24 = 382373 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 382389.

It is not an unprimeable number, because it can be changed into a prime (382189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2682 + ... + 2820.

It is an arithmetic number, because the mean of its divisors is an integer number (36960).

2382389 is an apocalyptic number.

It is an amenable number.

382389 is a deficient number, since it is larger than the sum of its proper divisors (208971).

382389 is a wasteful number, since it uses less digits than its factorization.

382389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 10368, while the sum is 33.

The square root of 382389 is about 618.3760991500. The cubic root of 382389 is about 72.5830360535.

The spelling of 382389 in words is "three hundred eighty-two thousand, three hundred eighty-nine".

Divisors: 1 3 7 21 131 139 393 417 917 973 2751 2919 18209 54627 127463 382389