Search a number
-
+
209282 = 2269389
BaseRepresentation
bin110011000110000010
3101122002012
4303012002
523144112
64252522
71531103
oct630602
9348065
10209282
11133267
12a1142
1374348
14563aa
1542022
hex33182

209282 has 8 divisors (see below), whose sum is σ = 315900. Its totient is φ = 103984.

The previous prime is 209269. The next prime is 209299. The reversal of 209282 is 282902.

209282 is digitally balanced in base 3, 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 2 ways, for example, as 177241 + 32041 = 421^2 + 179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

209282 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344 + ... + 732.

2209282 is an apocalyptic number.

209282 is a deficient number, since it is larger than the sum of its proper divisors (106618).

209282 is a wasteful number, since it uses less digits than its factorization.

209282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 209282 is about 457.4734965001. The cubic root of 209282 is about 59.3714003358.

The spelling of 209282 in words is "two hundred nine thousand, two hundred eighty-two".

Divisors: 1 2 269 389 538 778 104641 209282