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140804 = 2235201
BaseRepresentation
bin100010011000000100
321011010222
4202120010
514001204
63003512
71124336
oct423004
9234128
10140804
1196874
1269598
134c121
1439456
152babe
hex22604

140804 has 6 divisors (see below), whose sum is σ = 246414. Its totient is φ = 70400.

The previous prime is 140797. The next prime is 140813. The reversal of 140804 is 408041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 123904 + 16900 = 352^2 + 130^2 .

It is an unprimeable number.

140804 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17597 + ... + 17604.

It is an arithmetic number, because the mean of its divisors is an integer number (41069).

2140804 is an apocalyptic number.

It is an amenable number.

140804 is a deficient number, since it is larger than the sum of its proper divisors (105610).

140804 is a wasteful number, since it uses less digits than its factorization.

140804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35205 (or 35203 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 140804 is about 375.2385907659. The cubic root of 140804 is about 52.0241505177.

Adding to 140804 its reverse (408041), we get a palindrome (548845).

The spelling of 140804 in words is "one hundred forty thousand, eight hundred four".

Divisors: 1 2 4 35201 70402 140804