Base | Representation |
---|---|
bin | 1000001101111… |
… | …11010110111101 |
3 | 11210201120121110 |
4 | 10012333112331 |
5 | 120122104440 |
6 | 10501352233 |
7 | 1464663612 |
oct | 406772675 |
9 | 153646543 |
10 | 68941245 |
11 | 35a0863a |
12 | 1b108679 |
13 | 1138a949 |
14 | 9228509 |
15 | 60bc080 |
hex | 41bf5bd |
68941245 has 16 divisors (see below), whose sum is σ = 112654080. Its totient is φ = 35985984.
The previous prime is 68941219. The next prime is 68941261. The reversal of 68941245 is 54214986.
It is not a de Polignac number, because 68941245 - 218 = 68679101 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48190 + ... + 49599.
It is an arithmetic number, because the mean of its divisors is an integer number (7040880).
Almost surely, 268941245 is an apocalyptic number.
It is an amenable number.
68941245 is a deficient number, since it is larger than the sum of its proper divisors (43712835).
68941245 is a wasteful number, since it uses less digits than its factorization.
68941245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97844.
The product of its digits is 69120, while the sum is 39.
The square root of 68941245 is about 8303.0864743178. The cubic root of 68941245 is about 410.0401408250.
The spelling of 68941245 in words is "sixty-eight million, nine hundred forty-one thousand, two hundred forty-five".
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