Base | Representation |
---|---|
bin | 1000000111100… |
… | …11001100001010 |
3 | 11202011002110022 |
4 | 10003303030022 |
5 | 114413324340 |
6 | 10431420442 |
7 | 1454611523 |
oct | 403631412 |
9 | 152132408 |
10 | 68104970 |
11 | 354972aa |
12 | 1a984722 |
13 | 111570cb |
14 | 908b84a |
15 | 5ea43b5 |
hex | 40f330a |
68104970 has 8 divisors (see below), whose sum is σ = 122588964. Its totient is φ = 27241984.
The previous prime is 68104937. The next prime is 68104973. The reversal of 68104970 is 7940186.
It can be written as a sum of positive squares in 2 ways, for example, as 64529089 + 3575881 = 8033^2 + 1891^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 68104970.
It is not an unprimeable number, because it can be changed into a prime (68104973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405239 + ... + 3405258.
Almost surely, 268104970 is an apocalyptic number.
68104970 is a deficient number, since it is larger than the sum of its proper divisors (54483994).
68104970 is a wasteful number, since it uses less digits than its factorization.
68104970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6810504.
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 68104970 is about 8252.5735379941. The cubic root of 68104970 is about 408.3754273787.
The spelling of 68104970 in words is "sixty-eight million, one hundred four thousand, nine hundred seventy".
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