Base | Representation |
---|---|
bin | 111001010000… |
… | …0010010110000 |
3 | 2002111000011012 |
4 | 1302200102300 |
5 | 30141013223 |
6 | 2551210052 |
7 | 513065132 |
oct | 162402260 |
9 | 62430135 |
10 | 30016688 |
11 | 15a41a89 |
12 | a076928 |
13 | 62ac770 |
14 | 3db5052 |
15 | 297dc78 |
hex | 1ca04b0 |
30016688 has 20 divisors (see below), whose sum is σ = 62631408. Its totient is φ = 13853760.
The previous prime is 30016687. The next prime is 30016699. The reversal of 30016688 is 88661003.
It is not an unprimeable number, because it can be changed into a prime (30016681) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71948 + ... + 72363.
Almost surely, 230016688 is an apocalyptic number.
It is an amenable number.
30016688 is an abundant number, since it is smaller than the sum of its proper divisors (32614720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30016688 is a wasteful number, since it uses less digits than its factorization.
30016688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144332 (or 144326 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 30016688 is about 5478.7487622632. The cubic root of 30016688 is about 310.7808549112.
The spelling of 30016688 in words is "thirty million, sixteen thousand, six hundred eighty-eight".
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