Base | Representation |
---|---|
bin | 1100101001001… |
… | …0110010000001 |
3 | 10200210012111201 |
4 | 3022102302001 |
5 | 102033430032 |
6 | 5132341201 |
7 | 1212514315 |
oct | 312226201 |
9 | 120705451 |
10 | 53030017 |
11 | 27a30267 |
12 | 15914801 |
13 | aca9611 |
14 | 7085b45 |
15 | 49c78e7 |
hex | 3292c81 |
53030017 has 4 divisors (see below), whose sum is σ = 53117140. Its totient is φ = 52942896.
The previous prime is 53030011. The next prime is 53030041. The reversal of 53030017 is 71003035.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 49014001 = 2004^2 + 7001^2 .
It is a cyclic number.
It is not a de Polignac number, because 53030017 - 215 = 52997249 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53029976 and 53030003.
It is not an unprimeable number, because it can be changed into a prime (53030011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42642 + ... + 43867.
It is an arithmetic number, because the mean of its divisors is an integer number (13279285).
Almost surely, 253030017 is an apocalyptic number.
It is an amenable number.
53030017 is a deficient number, since it is larger than the sum of its proper divisors (87123).
53030017 is an equidigital number, since it uses as much as digits as its factorization.
53030017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87122.
The product of its (nonzero) digits is 315, while the sum is 19.
The square root of 53030017 is about 7282.1711734894. The cubic root of 53030017 is about 375.6994755165.
The spelling of 53030017 in words is "fifty-three million, thirty thousand, seventeen".
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