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1384000 = 2653173
BaseRepresentation
bin101010001111001000000
32121022111021
411101321000
5323242000
645355224
714522662
oct5217100
92538437
101384000
11865902
12568b14
13395c47
14280532
151c511a
hex151e40

1384000 has 56 divisors (see below), whose sum is σ = 3447288. Its totient is φ = 550400.

The previous prime is 1383983. The next prime is 1384013. The reversal of 1384000 is 4831.

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 1382976 = 32^2 + 1176^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7914 + ... + 8086.

21384000 is an apocalyptic number.

1384000 is a gapful number since it is divisible by the number (10) 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 1384000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723644).

1384000 is an abundant number, since it is smaller than the sum of its proper divisors (2063288).

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

1384000 is an equidigital number, since it uses as much as digits as its factorization.

1384000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1384000 is about 1176.4352935882. The cubic root of 1384000 is about 111.4410931109.

Adding to 1384000 its reverse (4831), we get a palindrome (1388831).

The spelling of 1384000 in words is "one million, three hundred eighty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 173 200 250 320 346 400 500 692 800 865 1000 1384 1600 1730 2000 2768 3460 4000 4325 5536 6920 8000 8650 11072 13840 17300 21625 27680 34600 43250 55360 69200 86500 138400 173000 276800 346000 692000 1384000