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7204 = 221801
BaseRepresentation
bin1110000100100
3100212211
41300210
5212304
653204
730001
oct16044
910784
107204
11545a
124204
133382
1428a8
152204
hex1c24

7204 has 6 divisors (see below), whose sum is σ = 12614. Its totient is φ = 3600.

The previous prime is 7193. The next prime is 7207. The reversal of 7204 is 4027.

It can be written as a sum of positive squares in only one way, i.e., 4900 + 2304 = 70^2 + 48^2 .

It is not an unprimeable number, because it can be changed into a prime (7207) by changing a digit.

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, 897 + ... + 904.

It is an amenable number.

7204 is a deficient number, since it is larger than the sum of its proper divisors (5410).

7204 is a wasteful number, since it uses less digits than its factorization.

7204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 7204 is about 84.8763806957. The cubic root of 7204 is about 19.3133629167.

Adding to 7204 its product of nonzero digits (56), we get a triangular number (7260 = T120).

The spelling of 7204 in words is "seven thousand, two hundred four", and thus it is an iban number.

Divisors: 1 2 4 1801 3602 7204