Base | Representation |
---|---|
bin | 1001111100101… |
… | …1101101001000 |
3 | 2220112001012121 |
4 | 2133023231020 |
5 | 41140310330 |
6 | 4050221024 |
7 | 1014455266 |
oct | 237135510 |
9 | 86461177 |
10 | 41728840 |
11 | 2161154a |
12 | 11b84774 |
13 | 885072a |
14 | 5783436 |
15 | 39e417a |
hex | 27cbb48 |
41728840 has 16 divisors (see below), whose sum is σ = 93889980. Its totient is φ = 16691520.
The previous prime is 41728793. The next prime is 41728849. The reversal of 41728840 is 4882714.
It can be written as a sum of positive squares in 2 ways, for example, as 39917124 + 1811716 = 6318^2 + 1346^2 .
It is a junction number, because it is equal to n+sod(n) for n = 41728796 and 41728805.
It is not an unprimeable number, because it can be changed into a prime (41728849) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521571 + ... + 521650.
Almost surely, 241728840 is an apocalyptic number.
41728840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
41728840 is an abundant number, since it is smaller than the sum of its proper divisors (52161140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
41728840 is a wasteful number, since it uses less digits than its factorization.
41728840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1043232 (or 1043228 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 34.
The square root of 41728840 is about 6459.7863741768. The cubic root of 41728840 is about 346.8529858063.
The spelling of 41728840 in words is "forty-one million, seven hundred twenty-eight thousand, eight hundred forty".
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