Base | Representation |
---|---|
bin | 111010001001… |
… | …0100110000110 |
3 | 2010100210101021 |
4 | 1310102212012 |
5 | 30301003440 |
6 | 3005221354 |
7 | 520055113 |
oct | 164224606 |
9 | 63323337 |
10 | 30484870 |
11 | 16231809 |
12 | a26185a |
13 | 64148b0 |
14 | 409790a |
15 | 2a2284a |
hex | 1d12986 |
30484870 has 16 divisors (see below), whose sum is σ = 59094000. Its totient is φ = 11255904.
The previous prime is 30484843. The next prime is 30484871. The reversal of 30484870 is 7848403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30484871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117120 + ... + 117379.
It is an arithmetic number, because the mean of its divisors is an integer number (3693375).
Almost surely, 230484870 is an apocalyptic number.
30484870 is a deficient number, since it is larger than the sum of its proper divisors (28609130).
30484870 is a wasteful number, since it uses less digits than its factorization.
30484870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234519.
The product of its (nonzero) digits is 21504, while the sum is 34.
The square root of 30484870 is about 5521.3105328355. The cubic root of 30484870 is about 312.3883163571.
The spelling of 30484870 in words is "thirty million, four hundred eighty-four thousand, eight hundred seventy".
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