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305326400 = 2652190829
BaseRepresentation
bin10010001100101…
…110100101000000
3210021112012002012
4102030232211000
51111130421100
650144112052
710365142301
oct2214564500
9707465065
10305326400
11147392275
1286305628
134b344312
142c79c7a8
151bc12135
hex1232e940

305326400 has 42 divisors (see below), whose sum is σ = 751297710. Its totient is φ = 122129920.

The previous prime is 305326397. The next prime is 305326421. The reversal of 305326400 is 4623503.

305326400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 61716736 + 243609664 = 7856^2 + 15608^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93815 + ... + 97014.

Almost surely, 2305326400 is an apocalyptic number.

It is an amenable number.

305326400 is an abundant number, since it is smaller than the sum of its proper divisors (445971310).

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

305326400 is a wasteful number, since it uses less digits than its factorization.

305326400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190851 (or 190836 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 305326400 is about 17473.5915026076. The cubic root of 305326400 is about 673.3715844906.

Adding to 305326400 its reverse (4623503), we get a palindrome (309949903).

The spelling of 305326400 in words is "three hundred five million, three hundred twenty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 190829 381658 763316 954145 1526632 1908290 3053264 3816580 4770725 6106528 7633160 9541450 12213056 15266320 19082900 30532640 38165800 61065280 76331600 152663200 305326400