Base | Representation |
---|---|
bin | 1000001011101… |
… | …01011001101010 |
3 | 11210011012001210 |
4 | 10011311121222 |
5 | 120032411224 |
6 | 10451053550 |
7 | 1462262463 |
oct | 405653152 |
9 | 153135053 |
10 | 68638314 |
11 | 35820a88 |
12 | 1aba12b6 |
13 | 112b2ab4 |
14 | 9189d6a |
15 | 605c429 |
hex | 417566a |
68638314 has 8 divisors (see below), whose sum is σ = 137276640. Its totient is φ = 22879436.
The previous prime is 68638307. The next prime is 68638337. The reversal of 68638314 is 41383686.
It is a sphenic number, since it is the product of 3 distinct primes.
68638314 is an admirable number.
It is a super-2 number, since 2×686383142 = 9422436297525192, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5719854 + ... + 5719865.
It is an arithmetic number, because the mean of its divisors is an integer number (17159580).
Almost surely, 268638314 is an apocalyptic number.
68638314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68638314 is a wasteful number, since it uses less digits than its factorization.
68638314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11439724.
The product of its digits is 82944, while the sum is 39.
The square root of 68638314 is about 8284.8243191995. The cubic root of 68638314 is about 409.4386806050.
The spelling of 68638314 in words is "sixty-eight million, six hundred thirty-eight thousand, three hundred fourteen".
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