Base | Representation |
---|---|
bin | 111001010000… |
… | …1001100000001 |
3 | 2002111012011221 |
4 | 1302201030001 |
5 | 30141122403 |
6 | 2551235041 |
7 | 513111616 |
oct | 162411401 |
9 | 62435157 |
10 | 30020353 |
11 | 15a44810 |
12 | a078a81 |
13 | 62b132c |
14 | 3db650d |
15 | 297edbd |
hex | 1ca1301 |
30020353 has 16 divisors (see below), whose sum is σ = 33530112. Its totient is φ = 26650000.
The previous prime is 30020329. The next prime is 30020377. The reversal of 30020353 is 35302003.
It is an interprime number because it is at equal distance from previous prime (30020329) and next prime (30020377).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30020353 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30020383) 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, 119478 + ... + 119728.
It is an arithmetic number, because the mean of its divisors is an integer number (2095632).
Almost surely, 230020353 is an apocalyptic number.
It is an amenable number.
30020353 is a deficient number, since it is larger than the sum of its proper divisors (3509759).
30020353 is a wasteful number, since it uses less digits than its factorization.
30020353 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476.
The product of its (nonzero) digits is 270, while the sum is 16.
The square root of 30020353 is about 5479.0832262341. The cubic root of 30020353 is about 310.7935030475.
Adding to 30020353 its reverse (35302003), we get a palindrome (65322356).
The spelling of 30020353 in words is "thirty million, twenty thousand, three hundred fifty-three".
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