Base | Representation |
---|---|
bin | 111001010011… |
… | …1111101101001 |
3 | 2002112121020210 |
4 | 1302213331221 |
5 | 30143014410 |
6 | 2552011333 |
7 | 513255543 |
oct | 162477551 |
9 | 62477223 |
10 | 30048105 |
11 | 15a6364a |
12 | a090b49 |
13 | 62c0b59 |
14 | 3dc2693 |
15 | 2988220 |
hex | 1ca7f69 |
30048105 has 16 divisors (see below), whose sum is σ = 48144960. Its totient is φ = 16003008.
The previous prime is 30048103. The next prime is 30048119. The reversal of 30048105 is 50184003.
It is not a de Polignac number, because 30048105 - 21 = 30048103 is a prime.
It is a super-2 number, since 2×300481052 = 1805777228182050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30048103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19866 + ... + 21324.
It is an arithmetic number, because the mean of its divisors is an integer number (3009060).
Almost surely, 230048105 is an apocalyptic number.
It is an amenable number.
30048105 is a deficient number, since it is larger than the sum of its proper divisors (18096855).
30048105 is a wasteful number, since it uses less digits than its factorization.
30048105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2840.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 30048105 is about 5481.6151816778. The cubic root of 30048105 is about 310.8892434812.
The spelling of 30048105 in words is "thirty million, forty-eight thousand, one hundred five".
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