Base | Representation |
---|---|
bin | 111001010010… |
… | …1111111110101 |
3 | 2002112012012120 |
4 | 1302211333311 |
5 | 30142240203 |
6 | 2551510153 |
7 | 513223221 |
oct | 162457765 |
9 | 62465176 |
10 | 30040053 |
11 | 15a5859a |
12 | a088359 |
13 | 62ba2a4 |
14 | 3dbd781 |
15 | 2985b53 |
hex | 1ca5ff5 |
30040053 has 16 divisors (see below), whose sum is σ = 41074176. Its totient is φ = 19522800.
The previous prime is 30040013. The next prime is 30040057. The reversal of 30040053 is 35004003.
It is not a de Polignac number, because 30040053 - 28 = 30039797 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30040057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19978 + ... + 21428.
It is an arithmetic number, because the mean of its divisors is an integer number (2567136).
Almost surely, 230040053 is an apocalyptic number.
It is an amenable number.
30040053 is a deficient number, since it is larger than the sum of its proper divisors (11034123).
30040053 is a wasteful number, since it uses less digits than its factorization.
30040053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1624.
The product of its (nonzero) digits is 180, while the sum is 15.
The square root of 30040053 is about 5480.8806774094. The cubic root of 30040053 is about 310.8614713048.
Adding to 30040053 its reverse (35004003), we get a palindrome (65044056).
The spelling of 30040053 in words is "thirty million, forty thousand, fifty-three".
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