Base | Representation |
---|---|
bin | 1001111001010… |
… | …1011111110101 |
3 | 2220002202122002 |
4 | 2132111133311 |
5 | 41111204210 |
6 | 4041345045 |
7 | 1012542044 |
oct | 236253765 |
9 | 86082562 |
10 | 41506805 |
11 | 2147a74a |
12 | 11a98185 |
13 | 87a3652 |
14 | 572655b |
15 | 399d4a5 |
hex | 27957f5 |
41506805 has 4 divisors (see below), whose sum is σ = 49808172. Its totient is φ = 33205440.
The previous prime is 41506793. The next prime is 41506807. The reversal of 41506805 is 50860514.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50860514 = 2 ⋅25430257.
It can be written as a sum of positive squares in 2 ways, for example, as 8994001 + 32512804 = 2999^2 + 5702^2 .
It is a de Polignac number, because none of the positive numbers 2k-41506805 is a prime.
It is a super-2 number, since 2×415068052 = 3445629722616050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (41506807) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 4150676 + ... + 4150685.
It is an arithmetic number, because the mean of its divisors is an integer number (12452043).
Almost surely, 241506805 is an apocalyptic number.
It is an amenable number.
41506805 is a deficient number, since it is larger than the sum of its proper divisors (8301367).
41506805 is an equidigital number, since it uses as much as digits as its factorization.
41506805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8301366.
The product of its (nonzero) digits is 4800, while the sum is 29.
The square root of 41506805 is about 6442.5775121453. The cubic root of 41506805 is about 346.2367013881.
The spelling of 41506805 in words is "forty-one million, five hundred six thousand, eight hundred five".
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