Base | Representation |
---|---|
bin | 111011110110110… |
… | …001011110111101 |
3 | 2120222121100220201 |
4 | 323312301132331 |
5 | 4024034323310 |
6 | 243351443501 |
7 | 33612452131 |
oct | 7366613675 |
9 | 2528540821 |
10 | 1004214205 |
11 | 475941aa5 |
12 | 240386591 |
13 | 1300843b7 |
14 | 975273c1 |
15 | 5d264e3a |
hex | 3bdb17bd |
1004214205 has 4 divisors (see below), whose sum is σ = 1205057052. Its totient is φ = 803371360.
The previous prime is 1004214193. The next prime is 1004214209. The reversal of 1004214205 is 5024124001.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 794225124 + 209989081 = 28182^2 + 14491^2 .
It is not a de Polignac number, because 1004214205 - 217 = 1004083133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1004214209) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100421416 + ... + 100421425.
It is an arithmetic number, because the mean of its divisors is an integer number (301264263).
Almost surely, 21004214205 is an apocalyptic number.
It is an amenable number.
1004214205 is a deficient number, since it is larger than the sum of its proper divisors (200842847).
1004214205 is an equidigital number, since it uses as much as digits as its factorization.
1004214205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200842846.
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 1004214205 is about 31689.3389801681. The cubic root of 1004214205 is about 1001.4027663265.
Adding to 1004214205 its reverse (5024124001), we get a palindrome (6028338206).
The spelling of 1004214205 in words is "one billion, four million, two hundred fourteen thousand, two hundred five".
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