Base | Representation |
---|---|
bin | 100000001100000… |
… | …111110110110111 |
3 | 1101122012022201021 |
4 | 200030013312313 |
5 | 2101223030243 |
6 | 125331042011 |
7 | 16245224236 |
oct | 4014076667 |
9 | 1348168637 |
10 | 540048823 |
11 | 257930746 |
12 | 130a40307 |
13 | 87b67c22 |
14 | 51a1cb1d |
15 | 326296ed |
hex | 20307db7 |
540048823 has 4 divisors (see below), whose sum is σ = 540097000. Its totient is φ = 540000648.
The previous prime is 540048793. The next prime is 540048833. The reversal of 540048823 is 328840045.
540048823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 328840045 = 5 ⋅65768009.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-540048823 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (540048833) 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, 2536 + ... + 32962.
It is an arithmetic number, because the mean of its divisors is an integer number (135024250).
Almost surely, 2540048823 is an apocalyptic number.
540048823 is a deficient number, since it is larger than the sum of its proper divisors (48177).
540048823 is a wasteful number, since it uses less digits than its factorization.
540048823 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48176.
The product of its (nonzero) digits is 30720, while the sum is 34.
The square root of 540048823 is about 23238.9505572003. The cubic root of 540048823 is about 814.3498260928.
Adding to 540048823 its reverse (328840045), we get a palindrome (868888868).
The spelling of 540048823 in words is "five hundred forty million, forty-eight thousand, eight hundred twenty-three".
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