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30068306 = 2101148853
BaseRepresentation
bin111001010110…
…0111001010010
32002120121221222
41302230321102
530144141211
62552245042
7513401462
oct162547122
962517858
1030068306
1115a77844
12a0a0782
1362ca0c8
143dc9ba2
15298e1db
hex1cace52

30068306 has 8 divisors (see below), whose sum is σ = 45549324. Its totient is φ = 14885200.

The previous prime is 30068281. The next prime is 30068321. The reversal of 30068306 is 60386003.

It can be written as a sum of positive squares in 2 ways, for example, as 23863225 + 6205081 = 4885^2 + 2491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 74225 + ... + 74628.

Almost surely, 230068306 is an apocalyptic number.

30068306 is a deficient number, since it is larger than the sum of its proper divisors (15481018).

30068306 is a wasteful number, since it uses less digits than its factorization.

30068306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148956.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 30068306 is about 5483.4574859298. The cubic root of 30068306 is about 310.9588969779.

The spelling of 30068306 in words is "thirty million, sixty-eight thousand, three hundred six".

Divisors: 1 2 101 202 148853 297706 15034153 30068306