Base | Representation |
---|---|
bin | 10000011011100010001 |
3 | 1000100112012 |
4 | 2003130101 |
5 | 114212020 |
6 | 15312305 |
7 | 4401431 |
oct | 2033421 |
9 | 1010465 |
10 | 538385 |
11 | 338551 |
12 | 21b695 |
13 | 15b093 |
14 | 1002c1 |
15 | a97c5 |
hex | 83711 |
538385 has 16 divisors (see below), whose sum is σ = 691200. Its totient is φ = 401856.
The previous prime is 538367. The next prime is 538397. The reversal of 538385 is 583835.
538385 = T75 + T76 + ... + T153.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-538385 is a prime.
Its product of digits (14400) is a multiple of the sum of its prime divisors (160).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6776 + ... + 6854.
It is an arithmetic number, because the mean of its divisors is an integer number (43200).
2538385 is an apocalyptic number.
It is an amenable number.
538385 is a deficient number, since it is larger than the sum of its proper divisors (152815).
538385 is a wasteful number, since it uses less digits than its factorization.
538385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160.
The product of its digits is 14400, while the sum is 32.
The square root of 538385 is about 733.7472316813. The cubic root of 538385 is about 81.3512662389.
The spelling of 538385 in words is "five hundred thirty-eight thousand, three hundred eighty-five".
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