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70306012 = 22715491621
BaseRepresentation
bin1000011000011…
…00100011011100
311220021220201101
410030030203130
5120444243022
610550522444
71512406540
oct414144334
9156256641
1070306012
113675aa47
121b666424
1311747bba
1494a1a20
15628b627
hex430c8dc

70306012 has 24 divisors (see below), whose sum is σ = 140789600. Its totient is φ = 30093120.

The previous prime is 70306007. The next prime is 70306039. The reversal of 70306012 is 21060307.

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 7 ways as a sum of consecutive naturals, for example, 42562 + ... + 44182.

Almost surely, 270306012 is an apocalyptic number.

It is an amenable number.

70306012 is an abundant number, since it is smaller than the sum of its proper divisors (70483588).

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

70306012 is a wasteful number, since it uses less digits than its factorization.

70306012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 70306012 is about 8384.8680371250. The cubic root of 70306012 is about 412.7282106671.

Adding to 70306012 its reverse (21060307), we get a palindrome (91366319).

The spelling of 70306012 in words is "seventy million, three hundred six thousand, twelve".

Divisors: 1 2 4 7 14 28 1549 1621 3098 3242 6196 6484 10843 11347 21686 22694 43372 45388 2510929 5021858 10043716 17576503 35153006 70306012