Base | Representation |
---|---|
bin | 111010110011… |
… | …0001111010001 |
3 | 2011000012100021 |
4 | 1311212033101 |
5 | 30342434343 |
6 | 3020423441 |
7 | 523013005 |
oct | 165461721 |
9 | 64005307 |
10 | 30827473 |
11 | 16446156 |
12 | a3a7b81 |
13 | 6504811 |
14 | 4146705 |
15 | 2a8e0ed |
hex | 1d663d1 |
30827473 has 8 divisors (see below), whose sum is σ = 31283168. Its totient is φ = 30374784.
The previous prime is 30827453. The next prime is 30827483. The reversal of 30827473 is 37472803.
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-30827473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30827413) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26890 + ... + 28012.
It is an arithmetic number, because the mean of its divisors is an integer number (3910396).
Almost surely, 230827473 is an apocalyptic number.
It is an amenable number.
30827473 is a deficient number, since it is larger than the sum of its proper divisors (455695).
30827473 is a wasteful number, since it uses less digits than its factorization.
30827473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1503.
The product of its (nonzero) digits is 28224, while the sum is 34.
The square root of 30827473 is about 5552.2493639965. The cubic root of 30827473 is about 313.5542141317.
The spelling of 30827473 in words is "thirty million, eight hundred twenty-seven thousand, four hundred seventy-three".
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