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304012344 = 23323717757
BaseRepresentation
bin10010000111101…
…101110000111000
3210012001102112110
4102013231300320
51110311343334
650100012320
710351030236
oct2207556070
9705042473
10304012344
11146674a79
12859910a0
134aca417c
142c539956
151ba52ae9
hex121edc38

304012344 has 64 divisors (see below), whose sum is σ = 804349440. Its totient is φ = 95553920.

The previous prime is 304012339. The next prime is 304012351. The reversal of 304012344 is 443210403.

It is a self number, because there is not a number n which added to its sum of digits gives 304012344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35314 + ... + 43070.

It is an arithmetic number, because the mean of its divisors is an integer number (12567960).

Almost surely, 2304012344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304012344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402174720).

304012344 is an abundant number, since it is smaller than the sum of its proper divisors (500337096).

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

304012344 is a wasteful number, since it uses less digits than its factorization.

304012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860 (or 7856 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 304012344 is about 17435.9497590467. The cubic root of 304012344 is about 672.4041821630.

Adding to 304012344 its reverse (443210403), we get a palindrome (747222747).

The spelling of 304012344 in words is "three hundred four million, twelve thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 71 92 138 142 184 213 276 284 426 552 568 852 1633 1704 3266 4899 6532 7757 9798 13064 15514 19596 23271 31028 39192 46542 62056 93084 178411 186168 356822 535233 550747 713644 1070466 1101494 1427288 1652241 2140932 2202988 3304482 4281864 4405976 6608964 12667181 13217928 25334362 38001543 50668724 76003086 101337448 152006172 304012344