Base | Representation |
---|---|
bin | 111001010100… |
… | …1001010110101 |
3 | 2002112212000202 |
4 | 1302221022311 |
5 | 30143144140 |
6 | 2552050245 |
7 | 513306131 |
oct | 162511265 |
9 | 62485022 |
10 | 30053045 |
11 | 15a67330 |
12 | a093985 |
13 | 62c3189 |
14 | 3dc43c1 |
15 | 2989915 |
hex | 1ca92b5 |
30053045 has 16 divisors (see below), whose sum is σ = 39451968. Its totient is φ = 21795840.
The previous prime is 30053033. The next prime is 30053047. The reversal of 30053045 is 54035003.
It is not a de Polignac number, because 30053045 - 24 = 30053029 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30053047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31262 + ... + 32208.
It is an arithmetic number, because the mean of its divisors is an integer number (2465748).
Almost surely, 230053045 is an apocalyptic number.
It is an amenable number.
30053045 is a deficient number, since it is larger than the sum of its proper divisors (9398923).
30053045 is a wasteful number, since it uses less digits than its factorization.
30053045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1540.
The product of its (nonzero) digits is 900, while the sum is 20.
The square root of 30053045 is about 5482.0657602769. The cubic root of 30053045 is about 310.9062795939.
Adding to 30053045 its reverse (54035003), we get a palindrome (84088048).
The spelling of 30053045 in words is "thirty million, fifty-three thousand, forty-five".
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