Base | Representation |
---|---|
bin | 1000001011101… |
… | …01011010000101 |
3 | 11210011012002210 |
4 | 10011311122011 |
5 | 120032411331 |
6 | 10451054033 |
7 | 1462262532 |
oct | 405653205 |
9 | 153135083 |
10 | 68638341 |
11 | 35821002 |
12 | 1aba1319 |
13 | 112b2b05 |
14 | 9189d89 |
15 | 605c446 |
hex | 4175685 |
68638341 has 8 divisors (see below), whose sum is σ = 91764640. Its totient is φ = 45635472.
The previous prime is 68638337. The next prime is 68638357. The reversal of 68638341 is 14383686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68638341 - 22 = 68638337 is a prime.
It is a super-2 number, since 2×686383412 = 9422443710464562, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68638341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68638301) 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, 29551 + ... + 31788.
It is an arithmetic number, because the mean of its divisors is an integer number (11470580).
Almost surely, 268638341 is an apocalyptic number.
It is an amenable number.
68638341 is a deficient number, since it is larger than the sum of its proper divisors (23126299).
68638341 is a wasteful number, since it uses less digits than its factorization.
68638341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61715.
The product of its digits is 82944, while the sum is 39.
The square root of 68638341 is about 8284.8259486847. The cubic root of 68638341 is about 409.4387342915.
The spelling of 68638341 in words is "sixty-eight million, six hundred thirty-eight thousand, three hundred forty-one".
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