Base | Representation |
---|---|
bin | 100000000111001… |
… | …000111011010101 |
3 | 1101112201221202101 |
4 | 200013020323111 |
5 | 2100404224420 |
6 | 125243042101 |
7 | 16231143541 |
oct | 4007107325 |
9 | 1345657671 |
10 | 538742485 |
11 | 257119226 |
12 | 130510331 |
13 | 877cb448 |
14 | 5179ca21 |
15 | 3246c60a |
hex | 201c8ed5 |
538742485 has 8 divisors (see below), whose sum is σ = 661525920. Its totient is φ = 420970704.
The previous prime is 538742453. The next prime is 538742531. The reversal of 538742485 is 584247835.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 538742485 - 25 = 538742453 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252675 + ... + 1253104.
It is an arithmetic number, because the mean of its divisors is an integer number (82690740).
Almost surely, 2538742485 is an apocalyptic number.
It is an amenable number.
538742485 is a deficient number, since it is larger than the sum of its proper divisors (122783435).
538742485 is a wasteful number, since it uses less digits than its factorization.
538742485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2505827.
The product of its digits is 1075200, while the sum is 46.
The square root of 538742485 is about 23210.8268917762. The cubic root of 538742485 is about 813.6926786916.
The spelling of 538742485 in words is "five hundred thirty-eight million, seven hundred forty-two thousand, four hundred eighty-five".
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