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19200 = 28352
BaseRepresentation
bin100101100000000
3222100010
410230000
51103300
6224520
7106656
oct45400
928303
1019200
1113475
12b140
13897c
146dd6
155a50
hex4b00

19200 has 54 divisors (see below), whose sum is σ = 63364. Its totient is φ = 5120.

The previous prime is 19183. The next prime is 19207. The reversal of 19200 is 291.

Multipling 19200 by its sum of digits (12), we get a square (230400 = 4802).

19200 divided by its sum of digits (12) gives a square (1600 = 402).

Adding to 19200 its reverse (291), we get a palindrome (19491).

It is a happy number.

19200 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (19207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3838 + ... + 3842.

219200 is an apocalyptic number.

19200 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 19200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31682).

19200 is an abundant number, since it is smaller than the sum of its proper divisors (44164).

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

19200 is an equidigital number, since it uses as much as digits as its factorization.

19200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 19200 is about 138.5640646055. The cubic root of 19200 is about 26.7773180033. Note that the first 3 decimals are identical.

The spelling of 19200 in words is "nineteen thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 600 640 768 800 960 1200 1280 1600 1920 2400 3200 3840 4800 6400 9600 19200