Base | Representation |
---|---|
bin | 111010010100… |
… | …0110000110100 |
3 | 2010112101221011 |
4 | 1310220300310 |
5 | 30311410133 |
6 | 3011202004 |
7 | 520613614 |
oct | 164506064 |
9 | 63471834 |
10 | 30575668 |
11 | 16293a52 |
12 | a2a6304 |
13 | 6447016 |
14 | 40bca44 |
15 | 2a3e6cd |
hex | 1d28c34 |
30575668 has 12 divisors (see below), whose sum is σ = 54812772. Its totient is φ = 14914880.
The previous prime is 30575663. The next prime is 30575669. The reversal of 30575668 is 86657503.
It can be written as a sum of positive squares in 2 ways, for example, as 16826404 + 13749264 = 4102^2 + 3708^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30575668.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30575663) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 93055 + ... + 93382.
It is an arithmetic number, because the mean of its divisors is an integer number (4567731).
Almost surely, 230575668 is an apocalyptic number.
It is an amenable number.
30575668 is a deficient number, since it is larger than the sum of its proper divisors (24237104).
30575668 is a wasteful number, since it uses less digits than its factorization.
30575668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186482 (or 186480 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 40.
The square root of 30575668 is about 5529.5269237069. The cubic root of 30575668 is about 312.6981544315.
The spelling of 30575668 in words is "thirty million, five hundred seventy-five thousand, six hundred sixty-eight".
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