Base | Representation |
---|---|
bin | 1000001100000… |
… | …00000110100011 |
3 | 11210020102012020 |
4 | 10012000012203 |
5 | 120040312042 |
6 | 10452032523 |
7 | 1462534332 |
oct | 406000643 |
9 | 153212166 |
10 | 68682147 |
11 | 35850a06 |
12 | 1b002743 |
13 | 112c9a31 |
14 | 919bd19 |
15 | 606a3ec |
hex | 41801a3 |
68682147 has 8 divisors (see below), whose sum is σ = 91960320. Its totient is φ = 45596040.
The previous prime is 68682139. The next prime is 68682161. The reversal of 68682147 is 74128686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68682147 - 23 = 68682139 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68682099 and 68682108.
It is not an unprimeable number, because it can be changed into a prime (68682167) 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, 47179 + ... + 48612.
It is an arithmetic number, because the mean of its divisors is an integer number (11495040).
Almost surely, 268682147 is an apocalyptic number.
68682147 is a deficient number, since it is larger than the sum of its proper divisors (23278173).
68682147 is a wasteful number, since it uses less digits than its factorization.
68682147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96033.
The product of its digits is 129024, while the sum is 42.
The square root of 68682147 is about 8287.4692759611. The cubic root of 68682147 is about 409.5258190444.
The spelling of 68682147 in words is "sixty-eight million, six hundred eighty-two thousand, one hundred forty-seven".
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