Base | Representation |
---|---|
bin | 10011110110110110000101 |
3 | 100210110102220 |
4 | 103312312011 |
5 | 2313033011 |
6 | 303322553 |
7 | 62150016 |
oct | 23666605 |
9 | 10713386 |
10 | 5205381 |
11 | 2a35975 |
12 | 18b0459 |
13 | 110340c |
14 | 99700d |
15 | 6cc506 |
hex | 4f6d85 |
5205381 has 8 divisors (see below), whose sum is σ = 6959424. Its totient is φ = 3460800.
The previous prime is 5205377. The next prime is 5205407. The reversal of 5205381 is 1835025.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 5205381 - 22 = 5205377 is a prime.
It is a super-2 number, since 2×52053812 = 54191982710322, which contains 22 as substring.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5205341) 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, 961 + ... + 3366.
It is an arithmetic number, because the mean of its divisors is an integer number (869928).
Almost surely, 25205381 is an apocalyptic number.
It is an amenable number.
5205381 is a deficient number, since it is larger than the sum of its proper divisors (1754043).
5205381 is a wasteful number, since it uses less digits than its factorization.
5205381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4731.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 5205381 is about 2281.5304074239. The cubic root of 5205381 is about 173.3075598595.
The spelling of 5205381 in words is "five million, two hundred five thousand, three hundred eighty-one".
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