Base | Representation |
---|---|
bin | 10010101001111001011101 |
3 | 100012110002201 |
4 | 102221321131 |
5 | 2222441310 |
6 | 252451501 |
7 | 56365105 |
oct | 22517135 |
9 | 10173081 |
10 | 4890205 |
11 | 28400a1 |
12 | 1779b91 |
13 | 1022b18 |
14 | 914205 |
15 | 668e3a |
hex | 4a9e5d |
4890205 has 4 divisors (see below), whose sum is σ = 5868252. Its totient is φ = 3912160.
The previous prime is 4890199. The next prime is 4890211. The reversal of 4890205 is 5020984.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (4890199) and next prime (4890211).
It can be written as a sum of positive squares in 2 ways, for example, as 3305124 + 1585081 = 1818^2 + 1259^2 .
It is not a de Polignac number, because 4890205 - 211 = 4888157 is a prime.
It is a super-4 number, since 4×48902054 (a number of 28 digits) contains 4444 as substring.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 489016 + ... + 489025.
It is an arithmetic number, because the mean of its divisors is an integer number (1467063).
Almost surely, 24890205 is an apocalyptic number.
It is an amenable number.
4890205 is a deficient number, since it is larger than the sum of its proper divisors (978047).
4890205 is an equidigital number, since it uses as much as digits as its factorization.
4890205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 978046.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 4890205 is about 2211.3807903661. The cubic root of 4890205 is about 169.7366742171.
The spelling of 4890205 in words is "four million, eight hundred ninety thousand, two hundred five".
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