Base | Representation |
---|---|
bin | 1000001001010… |
… | …11000010010101 |
3 | 11202120201020102 |
4 | 10010223002111 |
5 | 114443134332 |
6 | 10440343445 |
7 | 1456553444 |
oct | 404530225 |
9 | 152521212 |
10 | 68333717 |
11 | 35633151 |
12 | 1aa74b85 |
13 | 1120726a |
14 | 910ad5b |
15 | 5eec062 |
hex | 412b095 |
68333717 has 4 divisors (see below), whose sum is σ = 68360160. Its totient is φ = 68307276.
The previous prime is 68333701. The next prime is 68333729. The reversal of 68333717 is 71733386.
It is a happy number.
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, and also an emirpimes, since its reverse is a distinct semiprime: 71733386 = 2 ⋅35866693.
It is a cyclic number.
It is not a de Polignac number, because 68333717 - 24 = 68333701 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 (68333917) 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, 8867 + ... + 14672.
It is an arithmetic number, because the mean of its divisors is an integer number (17090040).
Almost surely, 268333717 is an apocalyptic number.
It is an amenable number.
68333717 is a deficient number, since it is larger than the sum of its proper divisors (26443).
68333717 is a wasteful number, since it uses less digits than its factorization.
68333717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26442.
The product of its digits is 63504, while the sum is 38.
The square root of 68333717 is about 8266.4210514587. The cubic root of 68333717 is about 408.8321256362.
The spelling of 68333717 in words is "sixty-eight million, three hundred thirty-three thousand, seven hundred seventeen".
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