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487204 = 223492
BaseRepresentation
bin1110110111100100100
3220202022121
41312330210
5111042304
614235324
74066264
oct1667444
9822277
10487204
11303053
121b5b44
131409b3
14c97a4
1599554
hex76f24

487204 has 9 divisors (see below), whose sum is σ = 855057. Its totient is φ = 242904.

The previous prime is 487187. The next prime is 487211. The reversal of 487204 is 402784.

The square root of 487204 is 698.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 357604 + 129600 = 598^2 + 360^2 .

It is a Duffinian number.

It is a nialpdrome in base 15.

It is an unprimeable number.

487204 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 (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1222 + ... + 1570.

487204 is a Friedman number, since it can be written as (702-4)^(8/4), using all its digits and the basic arithmetic operations.

2487204 is an apocalyptic number.

487204 is the 698-th square number.

It is an amenable number.

487204 is a deficient number, since it is larger than the sum of its proper divisors (367853).

487204 is an equidigital number, since it uses as much as digits as its factorization.

487204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The cubic root of 487204 is about 78.6871136482.

Multiplying 487204 by its sum of digits (25), we get a square (12180100 = 34902).

Adding to 487204 its reverse (402784), we get a palindrome (889988).

The spelling of 487204 in words is "four hundred eighty-seven thousand, two hundred four".

Divisors: 1 2 4 349 698 1396 121801 243602 487204