Base | Representation |
---|---|
bin | 111010010101… |
… | …0110101010101 |
3 | 2010112211120021 |
4 | 1310222311111 |
5 | 30312143044 |
6 | 3011305141 |
7 | 520650421 |
oct | 164526525 |
9 | 63484507 |
10 | 30584149 |
11 | 1629a362 |
12 | a2ab1b1 |
13 | 644ab3b |
14 | 40c1b81 |
15 | 2a41e84 |
hex | 1d2ad55 |
30584149 has 2 divisors, whose sum is σ = 30584150. Its totient is φ = 30584148.
The previous prime is 30584117. The next prime is 30584161. The reversal of 30584149 is 94148503.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30580900 + 3249 = 5530^2 + 57^2 .
It is a cyclic number.
It is not a de Polignac number, because 30584149 - 25 = 30584117 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30554149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15292074 + 15292075.
It is an arithmetic number, because the mean of its divisors is an integer number (15292075).
Almost surely, 230584149 is an apocalyptic number.
It is an amenable number.
30584149 is a deficient number, since it is larger than the sum of its proper divisors (1).
30584149 is an equidigital number, since it uses as much as digits as its factorization.
30584149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 30584149 is about 5530.2937534999. The cubic root of 30584149 is about 312.7270635616.
The spelling of 30584149 in words is "thirty million, five hundred eighty-four thousand, one hundred forty-nine".
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