Base | Representation |
---|---|
bin | 100000001001111… |
… | …111011110001011 |
3 | 1101121010221102001 |
4 | 200021333132023 |
5 | 2101102141222 |
6 | 125311051431 |
7 | 16240406455 |
oct | 4011773613 |
9 | 1347127361 |
10 | 539490187 |
11 | 257589a65 |
12 | 130810b77 |
13 | 87a00882 |
14 | 519152d5 |
15 | 32568e27 |
hex | 2027f78b |
539490187 has 8 divisors (see below), whose sum is σ = 545314032. Its totient is φ = 533676000.
The previous prime is 539490181. The next prime is 539490191. The reversal of 539490187 is 781094935.
It is a happy number.
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 539490187 - 211 = 539488139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (539490181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187137 + ... + 189997.
It is an arithmetic number, because the mean of its divisors is an integer number (68164254).
Almost surely, 2539490187 is an apocalyptic number.
539490187 is a deficient number, since it is larger than the sum of its proper divisors (5823845).
539490187 is a wasteful number, since it uses less digits than its factorization.
539490187 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4829.
The product of its (nonzero) digits is 272160, while the sum is 46.
The square root of 539490187 is about 23226.9280577523. The cubic root of 539490187 is about 814.0689366244.
It can be divided in two parts, 53949018 and 7, that added together give a square (53949025 = 73452).
The spelling of 539490187 in words is "five hundred thirty-nine million, four hundred ninety thousand, one hundred eighty-seven".
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