Base | Representation |
---|---|
bin | 1000001001010… |
… | …01010000000101 |
3 | 11202120100012121 |
4 | 10010221100011 |
5 | 114442421110 |
6 | 10440245541 |
7 | 1456523230 |
oct | 404512005 |
9 | 152510177 |
10 | 68326405 |
11 | 35628704 |
12 | 1aa708b1 |
13 | 11203b34 |
14 | 9108417 |
15 | 5ee9cda |
hex | 4129405 |
68326405 has 16 divisors (see below), whose sum is σ = 95243904. Its totient is φ = 46082880.
The previous prime is 68326403. The next prime is 68326409. The reversal of 68326405 is 50462386.
It is a happy number.
It is not a de Polignac number, because 68326405 - 21 = 68326403 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68326403) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13867 + ... + 18136.
It is an arithmetic number, because the mean of its divisors is an integer number (5952744).
Almost surely, 268326405 is an apocalyptic number.
It is an amenable number.
68326405 is a deficient number, since it is larger than the sum of its proper divisors (26917499).
68326405 is a wasteful number, since it uses less digits than its factorization.
68326405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32076.
The product of its (nonzero) digits is 34560, while the sum is 34.
The square root of 68326405 is about 8265.9787684218. The cubic root of 68326405 is about 408.8175428540.
The spelling of 68326405 in words is "sixty-eight million, three hundred twenty-six thousand, four hundred five".
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