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304324132 = 22723499947
BaseRepresentation
bin10010001000111…
…001111000100100
3210012122021020011
4102020321320210
51110401333012
650110420004
710353466240
oct2210717044
9705567204
10304324132
11146868252
1285b01604
134b083068
142c5bb420
151bab51a7
hex12239e24

304324132 has 48 divisors (see below), whose sum is σ = 637056000. Its totient is φ = 124372512.

The previous prime is 304324087. The next prime is 304324151. The reversal of 304324132 is 231423403.

It is a happy number.

304324132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3043241322 = 185226354635106848, which contains 22 as substring.

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, 320883 + ... + 321829.

It is an arithmetic number, because the mean of its divisors is an integer number (13272000).

Almost surely, 2304324132 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 304324132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318528000).

304324132 is an abundant number, since it is smaller than the sum of its proper divisors (332731868).

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

304324132 is a wasteful number, since it uses less digits than its factorization.

304324132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 304324132 is about 17444.8884203941. Note that the first 3 decimals coincide. The cubic root of 304324132 is about 672.6339709969.

Adding to 304324132 its reverse (231423403), we get a palindrome (535747535).

The spelling of 304324132 in words is "three hundred four million, three hundred twenty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 499 644 947 998 1894 1996 3493 3788 6629 6986 11477 13258 13972 21781 22954 26516 43562 45908 80339 87124 152467 160678 304934 321356 472553 609868 945106 1890212 3307871 6615742 10868719 13231484 21737438 43474876 76081033 152162066 304324132