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302231012 = 22417718089
BaseRepresentation
bin10010000000111…
…010110111100100
3210001200221000012
4102000322313210
51104332343022
645553505352
710326630656
oct2200726744
9701627005
10302231012
111456686a6
1285272258
134a7cc425
142c1d46d6
151b7eede2
hex1203ade4

302231012 has 12 divisors (see below), whose sum is σ = 529060140. Its totient is φ = 151070976.

The previous prime is 302231003. The next prime is 302231029. The reversal of 302231012 is 210132203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 277688896 + 24542116 = 16664^2 + 4954^2 .

It is a super-2 number, since 2×3022310122 = 182687169229088288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7664 + ... + 25752.

It is an arithmetic number, because the mean of its divisors is an integer number (44088345).

Almost surely, 2302231012 is an apocalyptic number.

It is an amenable number.

302231012 is a deficient number, since it is larger than the sum of its proper divisors (226829128).

302231012 is a wasteful number, since it uses less digits than its factorization.

302231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22270 (or 22268 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 302231012 is about 17384.7925498120. The cubic root of 302231012 is about 671.0883121853.

Adding to 302231012 its reverse (210132203), we get a palindrome (512363215).

The spelling of 302231012 in words is "three hundred two million, two hundred thirty-one thousand, twelve".

Divisors: 1 2 4 4177 8354 16708 18089 36178 72356 75557753 151115506 302231012