Base | Representation |
---|---|
bin | 111011000100… |
… | …0110011101001 |
3 | 2011021101120102 |
4 | 1312020303221 |
5 | 30412002230 |
6 | 3023435145 |
7 | 524142551 |
oct | 166106351 |
9 | 64241512 |
10 | 30969065 |
11 | 16532576 |
12 | a455ab5 |
13 | 65540ba |
14 | 4182161 |
15 | 2abb045 |
hex | 1d88ce9 |
30969065 has 4 divisors (see below), whose sum is σ = 37162884. Its totient is φ = 24775248.
The previous prime is 30969049. The next prime is 30969079. The reversal of 30969065 is 56096903.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22857961 + 8111104 = 4781^2 + 2848^2 .
It is a cyclic number.
It is not a de Polignac number, because 30969065 - 24 = 30969049 is a prime.
It is a Duffinian number.
It is a Curzon 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, 3096902 + ... + 3096911.
It is an arithmetic number, because the mean of its divisors is an integer number (9290721).
Almost surely, 230969065 is an apocalyptic number.
It is an amenable number.
30969065 is a deficient number, since it is larger than the sum of its proper divisors (6193819).
30969065 is an equidigital number, since it uses as much as digits as its factorization.
30969065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6193818.
The product of its (nonzero) digits is 43740, while the sum is 38.
The square root of 30969065 is about 5564.9856244199. The cubic root of 30969065 is about 314.0335373323.
The spelling of 30969065 in words is "thirty million, nine hundred sixty-nine thousand, sixty-five".
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