Base | Representation |
---|---|
bin | 1001101010100… |
… | …1101101011100 |
3 | 2211021200211021 |
4 | 2122221231130 |
5 | 40334303040 |
6 | 4004533524 |
7 | 1001410252 |
oct | 232515534 |
9 | 84250737 |
10 | 40541020 |
11 | 20980083 |
12 | 116b12a4 |
13 | 8525b90 |
14 | 55545d2 |
15 | 385c24a |
hex | 26a9b5c |
40541020 has 48 divisors (see below), whose sum is σ = 92207808. Its totient is φ = 14883840.
The previous prime is 40541009. The next prime is 40541029. The reversal of 40541020 is 2014504.
It is a junction number, because it is equal to n+sod(n) for n = 40540985 and 40541003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40541029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62337 + ... + 62983.
It is an arithmetic number, because the mean of its divisors is an integer number (1920996).
Almost surely, 240541020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 40541020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46103904).
40541020 is an abundant number, since it is smaller than the sum of its proper divisors (51666788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40541020 is a wasteful number, since it uses less digits than its factorization.
40541020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 910 (or 908 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 40541020 is about 6367.1830506119. The cubic root of 40541020 is about 343.5301748256.
Adding to 40541020 its reverse (2014504), we get a palindrome (42555524).
The spelling of 40541020 in words is "forty million, five hundred forty-one thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •