Base | Representation |
---|---|
bin | 100000000111100… |
… | …011100001110101 |
3 | 1101112221111012221 |
4 | 200013203201311 |
5 | 2100421221240 |
6 | 125245242341 |
7 | 16232106316 |
oct | 4007434165 |
9 | 1345844187 |
10 | 538851445 |
11 | 257193080 |
12 | 1305633b1 |
13 | 87838c12 |
14 | 517ca60d |
15 | 3248ea4a |
hex | 201e3875 |
538851445 has 8 divisors (see below), whose sum is σ = 705405600. Its totient is φ = 391891920.
The previous prime is 538851437. The next prime is 538851449. The reversal of 538851445 is 544158835.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 538851445 - 23 = 538851437 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538851449) 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, 4898595 + ... + 4898704.
It is an arithmetic number, because the mean of its divisors is an integer number (88175700).
Almost surely, 2538851445 is an apocalyptic number.
538851445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
538851445 is a deficient number, since it is larger than the sum of its proper divisors (166554155).
538851445 is a wasteful number, since it uses less digits than its factorization.
538851445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9797315.
The product of its digits is 384000, while the sum is 43.
The square root of 538851445 is about 23213.1739535980. The cubic root of 538851445 is about 813.7475311058.
The spelling of 538851445 in words is "five hundred thirty-eight million, eight hundred fifty-one thousand, four hundred forty-five".
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