Base | Representation |
---|---|
bin | 1001100011001… |
… | …0110100100010 |
3 | 2210100221211100 |
4 | 2120302310202 |
5 | 40223212200 |
6 | 3550255230 |
7 | 664311441 |
oct | 230626442 |
9 | 83327740 |
10 | 40054050 |
11 | 20678223 |
12 | 114b7516 |
13 | 83b532a |
14 | 5468d58 |
15 | 37b2d00 |
hex | 2632d22 |
40054050 has 36 divisors (see below), whose sum is σ = 107613090. Its totient is φ = 10680960.
The previous prime is 40054043. The next prime is 40054051. The reversal of 40054050 is 5045004.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 31036041 + 9018009 = 5571^2 + 3003^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (40054051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44055 + ... + 44954.
Almost surely, 240054050 is an apocalyptic number.
40054050 is an abundant number, since it is smaller than the sum of its proper divisors (67559040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40054050 is a wasteful number, since it uses less digits than its factorization.
40054050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89027 (or 89019 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 40054050 is about 6328.8269055173. The cubic root of 40054050 is about 342.1491603382.
Adding to 40054050 its reverse (5045004), we get a palindrome (45099054).
The spelling of 40054050 in words is "forty million, fifty-four thousand, fifty", and thus it is an eban number.
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