Base | Representation |
---|---|
bin | 1001111111111… |
… | …1011010101001 |
3 | 2220220210202101 |
4 | 2133333122221 |
5 | 41214100044 |
6 | 4054533401 |
7 | 1016326642 |
oct | 237773251 |
9 | 86823671 |
10 | 41940649 |
11 | 217466a3 |
12 | 12067261 |
13 | 88c5c6a |
14 | 57da6c9 |
15 | 3a36cd4 |
hex | 27ff6a9 |
41940649 has 8 divisors (see below), whose sum is σ = 45246600. Its totient is φ = 38727936.
The previous prime is 41940631. The next prime is 41940659. The reversal of 41940649 is 94604914.
It can be written as a sum of positive squares in 4 ways, for example, as 28302400 + 13638249 = 5320^2 + 3693^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 41940649 - 29 = 41940137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (41940629) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22374 + ... + 24175.
It is an arithmetic number, because the mean of its divisors is an integer number (5655825).
Almost surely, 241940649 is an apocalyptic number.
It is an amenable number.
41940649 is a deficient number, since it is larger than the sum of its proper divisors (3305951).
41940649 is a wasteful number, since it uses less digits than its factorization.
41940649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46619.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 41940649 is about 6476.1600505238. The cubic root of 41940649 is about 347.4388526538.
The spelling of 41940649 in words is "forty-one million, nine hundred forty thousand, six hundred forty-nine".
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