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304404 = 22325367
BaseRepresentation
bin1001010010100010100
3120110120020
41022110110
534220104
610305140
72405322
oct1122424
9513506
10304404
11198781
121281b0
13a8729
147cd12
15602d9
hex4a514

304404 has 12 divisors (see below), whose sum is σ = 710304. Its totient is φ = 101464.

The previous prime is 304393. The next prime is 304411. The reversal of 304404 is 404403.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×3044043 = 84619863332793792, which contains 333 as substring.

It is a congruent number.

It is an unprimeable 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, 12672 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (59192).

2304404 is an apocalyptic number.

It is an amenable number.

304404 is an abundant number, since it is smaller than the sum of its proper divisors (405900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304404 is a wasteful number, since it uses less digits than its factorization.

304404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25374 (or 25372 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 304404 is about 551.7281939506. The cubic root of 304404 is about 67.2692808735.

Adding to 304404 its reverse (404403), we get a palindrome (708807).

Subtracting 304404 from its reverse (404403), we obtain a palindrome (99999).

The spelling of 304404 in words is "three hundred four thousand, four hundred four", and thus it is an iban number.

Divisors: 1 2 3 4 6 12 25367 50734 76101 101468 152202 304404