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830000 = 245483
BaseRepresentation
bin11001010101000110000
31120011112202
43022220300
5203030000
625442332
710024553
oct3125060
91504482
10830000
11517656
123403a8
13230a32
1417869a
15115dd5
hexcaa30

830000 has 50 divisors (see below), whose sum is σ = 2033724. Its totient is φ = 328000.

The previous prime is 829993. The next prime is 830003. The reversal of 830000 is 38.

It is a tau number, because it is divible by the number of its divisors (50).

It is a nialpdrome in base 10 and base 16.

It is not an unprimeable number, because it can be changed into a prime (830003) by changing a digit.

830000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9959 + ... + 10041.

2830000 is an apocalyptic number.

830000 is a gapful number since it is divisible by the number (80) 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 830000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016862).

830000 is an abundant number, since it is smaller than the sum of its proper divisors (1203724).

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

830000 is an equidigital number, since it uses as much as digits as its factorization.

830000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 830000 is about 911.0433579144. The cubic root of 830000 is about 93.9779637495.

Adding to 830000 its reverse (38), we get a palindrome (830038).

The spelling of 830000 in words is "eight hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 83 100 125 166 200 250 332 400 415 500 625 664 830 1000 1250 1328 1660 2000 2075 2500 3320 4150 5000 6640 8300 10000 10375 16600 20750 33200 41500 51875 83000 103750 166000 207500 415000 830000