Base | Representation |
---|---|
bin | 111010010010… |
… | …1101011100101 |
3 | 2010111202121122 |
4 | 1310211223211 |
5 | 30311004140 |
6 | 3011023325 |
7 | 520532042 |
oct | 164455345 |
9 | 63452548 |
10 | 30563045 |
11 | 16285517 |
12 | a29ab45 |
13 | 6441356 |
14 | 40b81c9 |
15 | 2a3aab5 |
hex | 1d25ae5 |
30563045 has 16 divisors (see below), whose sum is σ = 37396080. Its totient is φ = 23975424.
The previous prime is 30563041. The next prime is 30563047. The reversal of 30563045 is 54036503.
It can be written as a sum of positive squares in 8 ways, for example, as 247009 + 30316036 = 497^2 + 5506^2 .
It is a cyclic number.
It is not a de Polignac number, because 30563045 - 22 = 30563041 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30563041) 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, 76787 + ... + 77183.
It is an arithmetic number, because the mean of its divisors is an integer number (2337255).
Almost surely, 230563045 is an apocalyptic number.
It is an amenable number.
30563045 is a deficient number, since it is larger than the sum of its proper divisors (6833035).
30563045 is a wasteful number, since it uses less digits than its factorization.
30563045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 664.
The product of its (nonzero) digits is 5400, while the sum is 26.
The square root of 30563045 is about 5528.3853881581. The cubic root of 30563045 is about 312.6551165916.
Adding to 30563045 its reverse (54036503), we get a palindrome (84599548).
The spelling of 30563045 in words is "thirty million, five hundred sixty-three thousand, forty-five".
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