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303404142 = 23290317419
BaseRepresentation
bin10010000101011…
…001010001101110
3210010220112020110
4102011121101232
51110132413032
650035000450
710342615116
oct2205312156
9703815213
10303404142
1114629a028
1285739126
134ab203a2
142c41c046
151b9827cc
hex1215946e

303404142 has 16 divisors (see below), whose sum is σ = 607052160. Its totient is φ = 101094072.

The previous prime is 303404111. The next prime is 303404159. The reversal of 303404142 is 241404303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8709 + ... + 26127.

It is an arithmetic number, because the mean of its divisors is an integer number (37940760).

Almost surely, 2303404142 is an apocalyptic number.

It is a pronic number, being equal to 17418×17419.

303404142 is an abundant number, since it is smaller than the sum of its proper divisors (303648018).

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

303404142 is a wasteful number, since it uses less digits than its factorization.

303404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20327.

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

The square root of 303404142 is about 17418.4999928237. The cubic root of 303404142 is about 671.9554826306.

Adding to 303404142 its reverse (241404303), we get a palindrome (544808445).

The spelling of 303404142 in words is "three hundred three million, four hundred four thousand, one hundred forty-two".

Divisors: 1 2 3 6 2903 5806 8709 17418 17419 34838 52257 104514 50567357 101134714 151702071 303404142