Base | Representation |
---|---|
bin | 1000001001000… |
… | …10000000101001 |
3 | 11202111211112002 |
4 | 10010202000221 |
5 | 114440443440 |
6 | 10435500345 |
7 | 1456340606 |
oct | 404420051 |
9 | 152454462 |
10 | 68296745 |
11 | 356083a0 |
12 | 1aa576b5 |
13 | 111c349a |
14 | 90db6ad |
15 | 5ee1115 |
hex | 4122029 |
68296745 has 16 divisors (see below), whose sum is σ = 89569152. Its totient is φ = 49580160.
The previous prime is 68296741. The next prime is 68296763. The reversal of 68296745 is 54769286.
It is not a de Polignac number, because 68296745 - 22 = 68296741 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 68296745.
It is not an unprimeable number, because it can be changed into a prime (68296741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51764 + ... + 53066.
It is an arithmetic number, because the mean of its divisors is an integer number (5598072).
Almost surely, 268296745 is an apocalyptic number.
It is an amenable number.
68296745 is a deficient number, since it is larger than the sum of its proper divisors (21272407).
68296745 is a wasteful number, since it uses less digits than its factorization.
68296745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2272.
The product of its digits is 725760, while the sum is 47.
The square root of 68296745 is about 8264.1844727716. The cubic root of 68296745 is about 408.7583793760.
The spelling of 68296745 in words is "sixty-eight million, two hundred ninety-six thousand, seven hundred forty-five".
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