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BaseRepresentation
bin101110100101010100
3100200201211
4232211110
522101204
64031204
71423165
oct564524
9320654
10190804
11120399
1292504
1368b03
144d76c
153b804
hex2e954

190804 has 6 divisors (see below), whose sum is σ = 333914. Its totient is φ = 95400.

The previous prime is 190793. The next prime is 190807. The reversal of 190804 is 408091.

190804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 32400 = 398^2 + 180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23847 + ... + 23854.

2190804 is an apocalyptic number.

It is an amenable number.

190804 is a deficient number, since it is larger than the sum of its proper divisors (143110).

190804 is a wasteful number, since it uses less digits than its factorization.

190804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47705 (or 47703 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 190804 is about 436.8111720183. The cubic root of 190804 is about 57.5699463846.

Adding to 190804 its reverse (408091), we get a palindrome (598895).

The spelling of 190804 in words is "one hundred ninety thousand, eight hundred four".

Divisors: 1 2 4 47701 95402 190804