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304142 = 2241631
BaseRepresentation
bin1001010010000001110
3120110012112
41022100032
534213032
610304022
72404466
oct1122016
9513175
10304142
11198563
12128012
13a8587
147cba6
15601b2
hex4a40e

304142 has 8 divisors (see below), whose sum is σ = 458832. Its totient is φ = 151200.

The previous prime is 304127. The next prime is 304151. The reversal of 304142 is 241403.

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

It is a congruent number.

It is an unprimeable number.

304142 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, 167 + ... + 797.

It is an arithmetic number, because the mean of its divisors is an integer number (57354).

2304142 is an apocalyptic number.

304142 is a deficient number, since it is larger than the sum of its proper divisors (154690).

304142 is a wasteful number, since it uses less digits than its factorization.

304142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 304142 is about 551.4907070840. The cubic root of 304142 is about 67.2499758157.

Adding to 304142 its reverse (241403), we get a palindrome (545545).

The spelling of 304142 in words is "three hundred four thousand, one hundred forty-two", and thus it is an iban number.

Divisors: 1 2 241 482 631 1262 152071 304142