Base | Representation |
---|---|
bin | 1111100000010… |
… | …0110011110101 |
3 | 11112100221022212 |
4 | 3320010303311 |
5 | 113122001123 |
6 | 10241503205 |
7 | 1416520646 |
oct | 370046365 |
9 | 145327285 |
10 | 65031413 |
11 | 33788077 |
12 | 19941b05 |
13 | 1061c135 |
14 | 88cb6cd |
15 | 5a98878 |
hex | 3e04cf5 |
65031413 has 8 divisors (see below), whose sum is σ = 66328416. Its totient is φ = 63746800.
The previous prime is 65031403. The next prime is 65031467. The reversal of 65031413 is 31413056.
It is a happy number.
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 65031413 - 26 = 65031349 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65031403) 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, 7883 + ... + 13863.
It is an arithmetic number, because the mean of its divisors is an integer number (8291052).
Almost surely, 265031413 is an apocalyptic number.
It is an amenable number.
65031413 is a deficient number, since it is larger than the sum of its proper divisors (1297003).
65031413 is a wasteful number, since it uses less digits than its factorization.
65031413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6195.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 65031413 is about 8064.2056645401. The cubic root of 65031413 is about 402.1373362267.
Adding to 65031413 its reverse (31413056), we get a palindrome (96444469).
The spelling of 65031413 in words is "sixty-five million, thirty-one thousand, four hundred thirteen".
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