Base | Representation |
---|---|
bin | 1000001000101… |
… | …01001110111111 |
3 | 11202102011201221 |
4 | 10010111032333 |
5 | 114432310130 |
6 | 10434414211 |
7 | 1456032211 |
oct | 404251677 |
9 | 152364657 |
10 | 68244415 |
11 | 35582048 |
12 | 1aa31367 |
13 | 111a5715 |
14 | 90c65b1 |
15 | 5ed087a |
hex | 41153bf |
68244415 has 16 divisors (see below), whose sum is σ = 84448800. Its totient is φ = 52918272.
The previous prime is 68244389. The next prime is 68244437. The reversal of 68244415 is 51444286.
It is a cyclic number.
It is not a de Polignac number, because 68244415 - 219 = 67720127 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19951 + ... + 23119.
It is an arithmetic number, because the mean of its divisors is an integer number (5278050).
Almost surely, 268244415 is an apocalyptic number.
68244415 is a deficient number, since it is larger than the sum of its proper divisors (16204385).
68244415 is a wasteful number, since it uses less digits than its factorization.
68244415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3306.
The product of its digits is 30720, while the sum is 34.
The square root of 68244415 is about 8261.0177944367. The cubic root of 68244415 is about 408.6539537477.
The spelling of 68244415 in words is "sixty-eight million, two hundred forty-four thousand, four hundred fifteen".
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