Base | Representation |
---|---|
bin | 111010100111… |
… | …1100100010001 |
3 | 2010211110221212 |
4 | 1311033210101 |
5 | 30332001414 |
6 | 3014425505 |
7 | 522145163 |
oct | 165174421 |
9 | 63743855 |
10 | 30734609 |
11 | 16392404 |
12 | a362295 |
13 | 64a1479 |
14 | 4120933 |
15 | 2a7183e |
hex | 1d4f911 |
30734609 has 8 divisors (see below), whose sum is σ = 33396480. Its totient is φ = 28177200.
The previous prime is 30734579. The next prime is 30734611. The reversal of 30734609 is 90643703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30734609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30734629) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 25502 + ... + 26679.
It is an arithmetic number, because the mean of its divisors is an integer number (4174560).
Almost surely, 230734609 is an apocalyptic number.
It is an amenable number.
30734609 is a deficient number, since it is larger than the sum of its proper divisors (2661871).
30734609 is a wasteful number, since it uses less digits than its factorization.
30734609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52231.
The product of its (nonzero) digits is 13608, while the sum is 32.
The square root of 30734609 is about 5543.8803197760. The cubic root of 30734609 is about 313.2390495207.
The spelling of 30734609 in words is "thirty million, seven hundred thirty-four thousand, six hundred nine".
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