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200804 = 22172953
BaseRepresentation
bin110001000001100100
3101012110012
4301001210
522411204
64145352
71464302
oct610144
9335405
10200804
1112795a
1298258
1370526
1453272
153e76e
hex31064

200804 has 12 divisors (see below), whose sum is σ = 372204. Its totient is φ = 94464.

The previous prime is 200797. The next prime is 200807. The reversal of 200804 is 408002.

It can be written as a sum of positive squares in 2 ways, for example, as 160000 + 40804 = 400^2 + 202^2 .

It is not an unprimeable number, because it can be changed into a prime (200807) by changing a digit.

200804 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 3 ways as a sum of consecutive naturals, for example, 1409 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (31017).

2200804 is an apocalyptic number.

It is an amenable number.

200804 is a deficient number, since it is larger than the sum of its proper divisors (171400).

200804 is a wasteful number, since it uses less digits than its factorization.

200804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974 (or 2972 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 200804 is about 448.1115932444. Note that the first 3 decimals coincide. The cubic root of 200804 is about 58.5586136662.

Adding to 200804 its reverse (408002), we get a palindrome (608806).

The spelling of 200804 in words is "two hundred thousand, eight hundred four".

Divisors: 1 2 4 17 34 68 2953 5906 11812 50201 100402 200804