Base | Representation |
---|---|
bin | 1001100111011… |
… | …0011100001001 |
3 | 2210220000202101 |
4 | 2121312130021 |
5 | 40311043032 |
6 | 4000233401 |
7 | 666544066 |
oct | 231663411 |
9 | 83800671 |
10 | 40331017 |
11 | 20847321 |
12 | 1160b861 |
13 | 848140c |
14 | 54dbc6d |
15 | 3819de7 |
hex | 2676709 |
40331017 has 8 divisors (see below), whose sum is σ = 40961160. Its totient is φ = 39705600.
The previous prime is 40330993. The next prime is 40331023. The reversal of 40331017 is 71013304.
40331017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 5035536 + 35295481 = 2244^2 + 5941^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-40331017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 40330985 and 40331003.
It is not an unprimeable number, because it can be changed into a prime (40331047) 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 7 ways as a sum of consecutive naturals, for example, 18459 + ... + 20527.
It is an arithmetic number, because the mean of its divisors is an integer number (5120145).
Almost surely, 240331017 is an apocalyptic number.
It is an amenable number.
40331017 is a deficient number, since it is larger than the sum of its proper divisors (630143).
40331017 is a wasteful number, since it uses less digits than its factorization.
40331017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2363.
The product of its (nonzero) digits is 252, while the sum is 19.
The square root of 40331017 is about 6350.6705945120. The cubic root of 40331017 is about 342.9359841092.
It can be divided in two parts, 4033 and 1017, that added together give a triangular number (5050 = T100).
The spelling of 40331017 in words is "forty million, three hundred thirty-one thousand, seventeen".
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