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1082389 = 71114057
BaseRepresentation
bin100001000010000010101
32000222202111
410020100111
5234114024
635111021
712125440
oct4102025
92028674
101082389
1167a240
12442471
132bb889
14202657
15165a94
hex108415

1082389 has 8 divisors (see below), whose sum is σ = 1349568. Its totient is φ = 843360.

The previous prime is 1082387. The next prime is 1082399. The reversal of 1082389 is 9832801.

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

It is not a de Polignac number, because 1082389 - 21 = 1082387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1082389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082381) 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, 6952 + ... + 7105.

It is an arithmetic number, because the mean of its divisors is an integer number (168696).

21082389 is an apocalyptic number.

It is an amenable number.

1082389 is a deficient number, since it is larger than the sum of its proper divisors (267179).

1082389 is a wasteful number, since it uses less digits than its factorization.

1082389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1082389 is about 1040.3792577709. The cubic root of 1082389 is about 102.6741516909.

The spelling of 1082389 in words is "one million, eighty-two thousand, three hundred eighty-nine".

Divisors: 1 7 11 77 14057 98399 154627 1082389