Base | Representation |
---|---|
bin | 100000001100000… |
… | …000010101111000 |
3 | 1101122010202111011 |
4 | 200030000111320 |
5 | 2101221034130 |
6 | 125330243304 |
7 | 16245035422 |
oct | 4014002570 |
9 | 1348122434 |
10 | 540018040 |
11 | 25790a601 |
12 | 130a26534 |
13 | 87b56c03 |
14 | 51a11812 |
15 | 3262052a |
hex | 20300578 |
540018040 has 16 divisors (see below), whose sum is σ = 1215040680. Its totient is φ = 216007200.
The previous prime is 540018029. The next prime is 540018041. The reversal of 540018040 is 40810045.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (540018041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6750186 + ... + 6750265.
Almost surely, 2540018040 is an apocalyptic number.
It is an amenable number.
540018040 is an abundant number, since it is smaller than the sum of its proper divisors (675022640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
540018040 is a wasteful number, since it uses less digits than its factorization.
540018040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13500462 (or 13500458 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 540018040 is about 23238.2882330003. The cubic root of 540018040 is about 814.3343530430.
Adding to 540018040 its reverse (40810045), we get a palindrome (580828085).
The spelling of 540018040 in words is "five hundred forty million, eighteen thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.763 sec. • engine limits •