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304274 = 2167911
BaseRepresentation
bin1001010010010010010
3120110101102
41022102102
534214044
610304402
72405045
oct1122222
9513342
10304274
11198673
12128102
13a8659
147cc5c
156024e
hex4a492

304274 has 8 divisors (see below), whose sum is σ = 459648. Its totient is φ = 151060.

The previous prime is 304259. The next prime is 304279. The reversal of 304274 is 472403.

It is a happy number.

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

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (304279) by changing a digit.

304274 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, 122 + ... + 789.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2304274 is an apocalyptic number.

304274 is a deficient number, since it is larger than the sum of its proper divisors (155374).

304274 is a wasteful number, since it uses less digits than its factorization.

304274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 304274 is about 551.6103697357. The cubic root of 304274 is about 67.2597034132.

Adding to 304274 its reverse (472403), we get a palindrome (776677).

The spelling of 304274 in words is "three hundred four thousand, two hundred seventy-four", and thus it is an iban number.

Divisors: 1 2 167 334 911 1822 152137 304274