Base | Representation |
---|---|
bin | 111001111000… |
… | …0010111001000 |
3 | 2010002200000212 |
4 | 1303300113020 |
5 | 30232012043 |
6 | 3002220252 |
7 | 515632235 |
oct | 163602710 |
9 | 63080025 |
10 | 30344648 |
11 | 16146424 |
12 | a1b4688 |
13 | 6395b19 |
14 | 405c78c |
15 | 29e6018 |
hex | 1cf05c8 |
30344648 has 8 divisors (see below), whose sum is σ = 56896230. Its totient is φ = 15172320.
The previous prime is 30344647. The next prime is 30344651. The reversal of 30344648 is 84644303.
It can be written as a sum of positive squares in only one way, i.e., 17656804 + 12687844 = 4202^2 + 3562^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (30344647) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1896533 + ... + 1896548.
Almost surely, 230344648 is an apocalyptic number.
It is an amenable number.
30344648 is a deficient number, since it is larger than the sum of its proper divisors (26551582).
30344648 is a wasteful number, since it uses less digits than its factorization.
30344648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3793087 (or 3793083 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 32.
The square root of 30344648 is about 5508.5976436839. The cubic root of 30344648 is about 311.9086133840.
The spelling of 30344648 in words is "thirty million, three hundred forty-four thousand, six hundred forty-eight".
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