Base | Representation |
---|---|
bin | 1100011001101… |
… | …1011101110101 |
3 | 10121212201221001 |
4 | 3012123131311 |
5 | 101304021023 |
6 | 5054523301 |
7 | 1201065046 |
oct | 306333565 |
9 | 117781831 |
10 | 52017013 |
11 | 273a9174 |
12 | 15506531 |
13 | aa134c9 |
14 | 6ca08cd |
15 | 48776ad |
hex | 319b775 |
52017013 has 4 divisors (see below), whose sum is σ = 52643808. Its totient is φ = 51390220.
The previous prime is 52017011. The next prime is 52017019. The reversal of 52017013 is 31071025.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 52017013 - 21 = 52017011 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 (52017011) 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, 313273 + ... + 313438.
It is an arithmetic number, because the mean of its divisors is an integer number (13160952).
Almost surely, 252017013 is an apocalyptic number.
It is an amenable number.
52017013 is a deficient number, since it is larger than the sum of its proper divisors (626795).
52017013 is an equidigital number, since it uses as much as digits as its factorization.
52017013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 626794.
The product of its (nonzero) digits is 210, while the sum is 19.
The square root of 52017013 is about 7212.2820937620. The cubic root of 52017013 is about 373.2918171486.
Adding to 52017013 its reverse (31071025), we get a palindrome (83088038).
The spelling of 52017013 in words is "fifty-two million, seventeen thousand, thirteen".
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