Base | Representation |
---|---|
bin | 111001110111… |
… | …1011010011101 |
3 | 2010002110201001 |
4 | 1303233122131 |
5 | 30231401030 |
6 | 3002150301 |
7 | 515615020 |
oct | 163573235 |
9 | 63073631 |
10 | 30340765 |
11 | 16143514 |
12 | a1b2391 |
13 | 6394120 |
14 | 405b1b7 |
15 | 29e4cca |
hex | 1cef69d |
30340765 has 16 divisors (see below), whose sum is σ = 44811648. Its totient is φ = 19204416.
The previous prime is 30340753. The next prime is 30340789. The reversal of 30340765 is 56704303.
It is not a de Polignac number, because 30340765 - 27 = 30340637 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32887 + ... + 33796.
It is an arithmetic number, because the mean of its divisors is an integer number (2800728).
Almost surely, 230340765 is an apocalyptic number.
30340765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30340765 is a deficient number, since it is larger than the sum of its proper divisors (14470883).
30340765 is a wasteful number, since it uses less digits than its factorization.
30340765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66708.
The product of its (nonzero) digits is 7560, while the sum is 28.
The square root of 30340765 is about 5508.2451833592. The cubic root of 30340765 is about 311.8953085357.
The spelling of 30340765 in words is "thirty million, three hundred forty thousand, seven hundred sixty-five".
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