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389056 = 266079
BaseRepresentation
bin1011110111111000000
3201202200111
41132333000
544422211
612201104
73210163
oct1367700
9652614
10389056
11246338
12169194
13108115
14a1ada
157a421
hex5efc0

389056 has 14 divisors (see below), whose sum is σ = 772160. Its totient is φ = 194496.

The previous prime is 389047. The next prime is 389057. The reversal of 389056 is 650983.

389056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3890562 = 302729142272, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389057) by changing a digit.

389056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2976 + ... + 3103.

2389056 is an apocalyptic number.

It is an amenable number.

389056 is a deficient number, since it is larger than the sum of its proper divisors (383104).

389056 is an equidigital number, since it uses as much as digits as its factorization.

389056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091 (or 6081 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 389056 is about 623.7435370407. The cubic root of 389056 is about 73.0024394006.

The spelling of 389056 in words is "three hundred eighty-nine thousand, fifty-six".

Divisors: 1 2 4 8 16 32 64 6079 12158 24316 48632 97264 194528 389056