Base | Representation |
---|---|
bin | 100111111111000000101 |
3 | 2110120021102 |
4 | 10333320011 |
5 | 313411323 |
6 | 44025445 |
7 | 14064602 |
oct | 4777005 |
9 | 2416242 |
10 | 1310213 |
11 | 815423 |
12 | 532285 |
13 | 36b498 |
14 | 2616a9 |
15 | 1ad328 |
hex | 13fe05 |
1310213 has 8 divisors (see below), whose sum is σ = 1360800. Its totient is φ = 1260688.
The previous prime is 1310209. The next prime is 1310233. The reversal of 1310213 is 3120131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1310213 - 22 = 1310209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1310194 and 1310203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310233) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2918 + ... + 3336.
It is an arithmetic number, because the mean of its divisors is an integer number (170100).
21310213 is an apocalyptic number.
It is an amenable number.
1310213 is a deficient number, since it is larger than the sum of its proper divisors (50587).
1310213 is an equidigital number, since it uses as much as digits as its factorization.
1310213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 531.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 1310213 is about 1144.6453599259. The cubic root of 1310213 is about 109.4243481262.
Adding to 1310213 its reverse (3120131), we get a palindrome (4430344).
The spelling of 1310213 in words is "one million, three hundred ten thousand, two hundred thirteen".
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