Base | Representation |
---|---|
bin | 1000001110111… |
… | …10100000100111 |
3 | 11210222001122011 |
4 | 10013132200213 |
5 | 120140200324 |
6 | 10504215051 |
7 | 1466034610 |
oct | 407364047 |
9 | 153861564 |
10 | 69068839 |
11 | 35a95494 |
12 | 1b16a487 |
13 | 11403a48 |
14 | 925cc07 |
15 | 60e4c94 |
hex | 41de827 |
69068839 has 16 divisors (see below), whose sum is σ = 82644480. Its totient is φ = 56437920.
The previous prime is 69068827. The next prime is 69068843. The reversal of 69068839 is 93886096.
It is not a de Polignac number, because 69068839 - 27 = 69068711 is a prime.
It is a super-3 number, since 3×690688393 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 69068792 and 69068801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69068809) 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 15 ways as a sum of consecutive naturals, for example, 67272 + ... + 68290.
It is an arithmetic number, because the mean of its divisors is an integer number (5165280).
Almost surely, 269068839 is an apocalyptic number.
69068839 is a deficient number, since it is larger than the sum of its proper divisors (13575641).
69068839 is a wasteful number, since it uses less digits than its factorization.
69068839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1470.
The product of its (nonzero) digits is 559872, while the sum is 49.
The square root of 69068839 is about 8310.7664508155. The cubic root of 69068839 is about 410.2929474885.
The spelling of 69068839 in words is "sixty-nine million, sixty-eight thousand, eight hundred thirty-nine".
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