Base | Representation |
---|---|
bin | 1000001101100… |
… | …11111011000001 |
3 | 11210122012100111 |
4 | 10012303323001 |
5 | 120114110101 |
6 | 10500351321 |
7 | 1464410212 |
oct | 406637301 |
9 | 153565314 |
10 | 68894401 |
11 | 35986424 |
12 | 1b0a5541 |
13 | 11372524 |
14 | 9215409 |
15 | 60ad251 |
hex | 41b3ec1 |
68894401 has 8 divisors (see below), whose sum is σ = 71426880. Its totient is φ = 66372432.
The previous prime is 68894389. The next prime is 68894417. The reversal of 68894401 is 10449886.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68894401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68894491) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 12226 + ... + 16948.
It is an arithmetic number, because the mean of its divisors is an integer number (8928360).
Almost surely, 268894401 is an apocalyptic number.
It is an amenable number.
68894401 is a deficient number, since it is larger than the sum of its proper divisors (2532479).
68894401 is a wasteful number, since it uses less digits than its factorization.
68894401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5255.
The product of its (nonzero) digits is 55296, while the sum is 40.
The square root of 68894401 is about 8300.2651162478. The cubic root of 68894401 is about 409.9472488151.
The spelling of 68894401 in words is "sixty-eight million, eight hundred ninety-four thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •