Base | Representation |
---|---|
bin | 100000001111011… |
… | …001010111101001 |
3 | 1101200210220220001 |
4 | 200033121113221 |
5 | 2101433010420 |
6 | 125401303001 |
7 | 16255430203 |
oct | 4017312751 |
9 | 1350726801 |
10 | 540906985 |
11 | 258367473 |
12 | 131194a61 |
13 | 880a8708 |
14 | 51ba3773 |
15 | 32748b0a |
hex | 203d95e9 |
540906985 has 32 divisors (see below), whose sum is σ = 712800000. Its totient is φ = 392722176.
The previous prime is 540906983. The next prime is 540907049. The reversal of 540906985 is 589609045.
540906985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 540906985 - 21 = 540906983 is a prime.
It is not an unprimeable number, because it can be changed into a prime (540906983) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195391 + ... + 198139.
It is an arithmetic number, because the mean of its divisors is an integer number (22275000).
Almost surely, 2540906985 is an apocalyptic number.
It is an amenable number.
540906985 is a deficient number, since it is larger than the sum of its proper divisors (171893015).
540906985 is a wasteful number, since it uses less digits than its factorization.
540906985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2865.
The product of its (nonzero) digits is 388800, while the sum is 46.
The square root of 540906985 is about 23257.4070996747. The cubic root of 540906985 is about 814.7809440506.
It can be divided in two parts, 54090 and 6985, that added together give a triangular number (61075 = T349).
The spelling of 540906985 in words is "five hundred forty million, nine hundred six thousand, nine hundred eighty-five".
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