Base | Representation |
---|---|
bin | 100000000101110… |
… | …011011101000011 |
3 | 1101112002011111210 |
4 | 200011303131003 |
5 | 2100312024022 |
6 | 125231341203 |
7 | 16225155051 |
oct | 4005633503 |
9 | 1345064453 |
10 | 538392387 |
11 | 2569aa195 |
12 | 130381803 |
13 | 87707ca0 |
14 | 5170b1d1 |
15 | 323eda0c |
hex | 20173743 |
538392387 has 8 divisors (see below), whose sum is σ = 773076304. Its totient is φ = 331318368.
The previous prime is 538392367. The next prime is 538392403. The reversal of 538392387 is 783293835.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 538392387 - 28 = 538392131 is a prime.
It is not an unprimeable number, because it can be changed into a prime (538392307) by changing a digit.
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, 6902428 + ... + 6902505.
It is an arithmetic number, because the mean of its divisors is an integer number (96634538).
Almost surely, 2538392387 is an apocalyptic number.
538392387 is a deficient number, since it is larger than the sum of its proper divisors (234683917).
538392387 is a wasteful number, since it uses less digits than its factorization.
538392387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13804949.
The product of its digits is 1088640, while the sum is 48.
The square root of 538392387 is about 23203.2839701625. The cubic root of 538392387 is about 813.5163830172.
The spelling of 538392387 in words is "five hundred thirty-eight million, three hundred ninety-two thousand, three hundred eighty-seven".
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