Base | Representation |
---|---|
bin | 1000001000101… |
… | …10010010010011 |
3 | 11202102101122111 |
4 | 10010112102103 |
5 | 114432424343 |
6 | 10434450151 |
7 | 1456050604 |
oct | 404262223 |
9 | 152371574 |
10 | 68248723 |
11 | 35585304 |
12 | 1aa33957 |
13 | 111a767a |
14 | 90c7dab |
15 | 5ed1c9d |
hex | 4116493 |
68248723 has 8 divisors (see below), whose sum is σ = 70536816. Its totient is φ = 65990400.
The previous prime is 68248717. The next prime is 68248753. The reversal of 68248723 is 32784286.
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 68248723 - 221 = 66151571 is a prime.
It is a super-2 number, since 2×682487232 = 9315776382261458, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68248753) 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, 2733 + ... + 11998.
It is an arithmetic number, because the mean of its divisors is an integer number (8817102).
Almost surely, 268248723 is an apocalyptic number.
68248723 is a deficient number, since it is larger than the sum of its proper divisors (2288093).
68248723 is a wasteful number, since it uses less digits than its factorization.
68248723 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14885.
The product of its digits is 129024, while the sum is 40.
The square root of 68248723 is about 8261.2785330117. The cubic root of 68248723 is about 408.6625524694.
The spelling of 68248723 in words is "sixty-eight million, two hundred forty-eight thousand, seven hundred twenty-three".
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