Base | Representation |
---|---|
bin | 111010100010… |
… | …1110011010001 |
3 | 2010202110002101 |
4 | 1311011303101 |
5 | 30324211414 |
6 | 3013520401 |
7 | 521620441 |
oct | 165056321 |
9 | 63673071 |
10 | 30694609 |
11 | 16365350 |
12 | a343101 |
13 | 64891ba |
14 | 4110121 |
15 | 2a64a74 |
hex | 1d45cd1 |
30694609 has 8 divisors (see below), whose sum is σ = 34302240. Its totient is φ = 27223200.
The previous prime is 30694603. The next prime is 30694637. The reversal of 30694609 is 90649603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30694609 - 25 = 30694577 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30694603) 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, 33579 + ... + 34480.
It is an arithmetic number, because the mean of its divisors is an integer number (4287780).
Almost surely, 230694609 is an apocalyptic number.
It is an amenable number.
30694609 is a deficient number, since it is larger than the sum of its proper divisors (3607631).
30694609 is a wasteful number, since it uses less digits than its factorization.
30694609 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68111.
The product of its (nonzero) digits is 34992, while the sum is 37.
The square root of 30694609 is about 5540.2715637413. The cubic root of 30694609 is about 313.1031007004.
The spelling of 30694609 in words is "thirty million, six hundred ninety-four thousand, six hundred nine".
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