Base | Representation |
---|---|
bin | 1001101011101… |
… | …1110010111101 |
3 | 2211102110110000 |
4 | 2122323302331 |
5 | 40344140401 |
6 | 4010304513 |
7 | 1002136242 |
oct | 232736275 |
9 | 84373400 |
10 | 40615101 |
11 | 20a207aa |
12 | 11728139 |
13 | 8550807 |
14 | 55735c9 |
15 | 3874186 |
hex | 26bbcbd |
40615101 has 20 divisors (see below), whose sum is σ = 60875100. Its totient is φ = 26986176.
The previous prime is 40615087. The next prime is 40615111. The reversal of 40615101 is 10151604.
40615101 is a `hidden beast` number, since 40 + 615 + 10 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 21483225 + 19131876 = 4635^2 + 4374^2 .
It is not a de Polignac number, because 40615101 - 218 = 40352957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40615111) 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 19 ways as a sum of consecutive naturals, for example, 30865 + ... + 32153.
It is an arithmetic number, because the mean of its divisors is an integer number (3043755).
Almost surely, 240615101 is an apocalyptic number.
It is an amenable number.
40615101 is a deficient number, since it is larger than the sum of its proper divisors (20259999).
40615101 is a wasteful number, since it uses less digits than its factorization.
40615101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1690 (or 1681 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 40615101 is about 6372.9978032320. The cubic root of 40615101 is about 343.7392928456.
Adding to 40615101 its reverse (10151604), we get a palindrome (50766705).
The spelling of 40615101 in words is "forty million, six hundred fifteen thousand, one hundred one".
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