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303342340 = 225746317
BaseRepresentation
bin10010000101001…
…010001100000100
3210010210101110111
4102011022030010
51110123423330
650033402404
710342240000
oct2205121404
9703711414
10303342340
11146257654
1285709404
134aacb212
142c403700
151b96e32a
hex1214a304

303342340 has 60 divisors (see below), whose sum is σ = 743262156. Its totient is φ = 103986624.

The previous prime is 303342337. The next prime is 303342367. The reversal of 303342340 is 43243303.

It can be written as a sum of positive squares in 2 ways, for example, as 136002244 + 167340096 = 11662^2 + 12936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44862 + ... + 51178.

Almost surely, 2303342340 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 303342340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371631078).

303342340 is an abundant number, since it is smaller than the sum of its proper divisors (439919816).

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

303342340 is an equidigital number, since it uses as much as digits as its factorization.

303342340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354 (or 6331 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 303342340 is about 17416.7258691179. The cubic root of 303342340 is about 671.9098548062.

Adding to 303342340 its reverse (43243303), we get a palindrome (346585643).

The spelling of 303342340 in words is "three hundred three million, three hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 343 490 686 980 1372 1715 2401 3430 4802 6317 6860 9604 12005 12634 24010 25268 31585 44219 48020 63170 88438 126340 176876 221095 309533 442190 619066 884380 1238132 1547665 2166731 3095330 4333462 6190660 8666924 10833655 15167117 21667310 30334234 43334620 60668468 75835585 151671170 303342340