Base | Representation |
---|---|
bin | 111010011111… |
… | …0100000001110 |
3 | 2010200221002022 |
4 | 1310332200032 |
5 | 30322232333 |
6 | 3013130142 |
7 | 521434340 |
oct | 164764016 |
9 | 63627068 |
10 | 30664718 |
11 | 16344947 |
12 | a329952 |
13 | 6478706 |
14 | 4103290 |
15 | 2a5ac98 |
hex | 1d3e80e |
30664718 has 8 divisors (see below), whose sum is σ = 52568112. Its totient is φ = 13142016.
The previous prime is 30664709. The next prime is 30664741. The reversal of 30664718 is 81746603.
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 1095155 + ... + 1095182.
It is an arithmetic number, because the mean of its divisors is an integer number (6571014).
Almost surely, 230664718 is an apocalyptic number.
30664718 is a deficient number, since it is larger than the sum of its proper divisors (21903394).
30664718 is a wasteful number, since it uses less digits than its factorization.
30664718 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2190346.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 30664718 is about 5537.5732952260. The cubic root of 30664718 is about 313.0014324193.
The spelling of 30664718 in words is "thirty million, six hundred sixty-four thousand, seven hundred eighteen".
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