Base | Representation |
---|---|
bin | 100000011101… |
… | …1010001101101 |
3 | 1012000201001212 |
4 | 1000323101231 |
5 | 13324120023 |
6 | 1404444205 |
7 | 264445013 |
oct | 100732155 |
9 | 35021055 |
10 | 17020013 |
11 | 967542a |
12 | 5849665 |
13 | 36abc1a |
14 | 23908b3 |
15 | 1762e78 |
hex | 103b46d |
17020013 has 4 divisors (see below), whose sum is σ = 17606940. Its totient is φ = 16433088.
The previous prime is 17020007. The next prime is 17020019. The reversal of 17020013 is 31002071.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31002071 = 227 ⋅136573.
It is an interprime number because it is at equal distance from previous prime (17020007) and next prime (17020019).
It can be written as a sum of positive squares in 2 ways, for example, as 12866569 + 4153444 = 3587^2 + 2038^2 .
It is a cyclic number.
It is not a de Polignac number, because 17020013 - 26 = 17019949 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 17020013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17020019) 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, 293420 + ... + 293477.
It is an arithmetic number, because the mean of its divisors is an integer number (4401735).
Almost surely, 217020013 is an apocalyptic number.
It is an amenable number.
17020013 is a deficient number, since it is larger than the sum of its proper divisors (586927).
17020013 is an equidigital number, since it uses as much as digits as its factorization.
17020013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586926.
The product of its (nonzero) digits is 42, while the sum is 14.
The square root of 17020013 is about 4125.5318445020. The cubic root of 17020013 is about 257.2290196120.
Adding to 17020013 its reverse (31002071), we get a palindrome (48022084).
The spelling of 17020013 in words is "seventeen million, twenty thousand, thirteen".
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