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304842 = 2323472
BaseRepresentation
bin1001010011011001010
3120111011110
41022123022
534223332
610311150
72406516
oct1123312
9514143
10304842
1119903a
121284b6
13a89a5
147d146
15604cc
hex4a6ca

304842 has 24 divisors (see below), whose sum is σ = 650016. Its totient is φ = 95128.

The previous prime is 304831. The next prime is 304847. The reversal of 304842 is 248403.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6463 + ... + 6509.

It is an arithmetic number, because the mean of its divisors is an integer number (27084).

2304842 is an apocalyptic number.

304842 is an abundant number, since it is smaller than the sum of its proper divisors (345174).

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

304842 is a wasteful number, since it uses less digits than its factorization.

304842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 304842 is about 552.1249858501. The cubic root of 304842 is about 67.3015294912.

The spelling of 304842 in words is "three hundred four thousand, eight hundred forty-two".

Divisors: 1 2 3 6 23 46 47 69 94 138 141 282 1081 2162 2209 3243 4418 6486 6627 13254 50807 101614 152421 304842