Base | Representation |
---|---|
bin | 111010011101… |
… | …0010010001010 |
3 | 2010200001101011 |
4 | 1310322102022 |
5 | 30321204214 |
6 | 3012514134 |
7 | 521333056 |
oct | 164722212 |
9 | 63601334 |
10 | 30647434 |
11 | 16332964 |
12 | a31b94a |
13 | 647089c |
14 | 40dac66 |
15 | 2a55ac4 |
hex | 1d3a48a |
30647434 has 8 divisors (see below), whose sum is σ = 46618848. Its totient is φ = 15107820.
The previous prime is 30647411. The next prime is 30647443. The reversal of 30647434 is 43474603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30647396 and 30647405.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107772 + ... + 108055.
It is an arithmetic number, because the mean of its divisors is an integer number (5827356).
Almost surely, 230647434 is an apocalyptic number.
30647434 is a deficient number, since it is larger than the sum of its proper divisors (15971414).
30647434 is a wasteful number, since it uses less digits than its factorization.
30647434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215900.
The product of its (nonzero) digits is 24192, while the sum is 31.
The square root of 30647434 is about 5536.0124638588. The cubic root of 30647434 is about 312.9426141873.
The spelling of 30647434 in words is "thirty million, six hundred forty-seven thousand, four hundred thirty-four".
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