Base | Representation |
---|---|
bin | 10111110110000… |
… | …11101001011001 |
3 | 111221101121200111 |
4 | 23323003221121 |
5 | 402201441214 |
6 | 31503204321 |
7 | 4646143126 |
oct | 1373035131 |
9 | 457347614 |
10 | 200030809 |
11 | a2a04120 |
12 | 56ba66a1 |
13 | 32598334 |
14 | 1c7cd74d |
15 | 128635c4 |
hex | bec3a59 |
200030809 has 8 divisors (see below), whose sum is σ = 218319840. Its totient is φ = 181759200.
The previous prime is 200030801. The next prime is 200030837. The reversal of 200030809 is 908030002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 200030809 - 23 = 200030801 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 200030809.
It is not an unprimeable number, because it can be changed into a prime (200030801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35797 + ... + 41005.
It is an arithmetic number, because the mean of its divisors is an integer number (27289980).
Almost surely, 2200030809 is an apocalyptic number.
It is an amenable number.
200030809 is a deficient number, since it is larger than the sum of its proper divisors (18289031).
200030809 is a wasteful number, since it uses less digits than its factorization.
200030809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8711.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 200030809 is about 14143.2248444264. The cubic root of 200030809 is about 584.8335747883.
The spelling of 200030809 in words is "two hundred million, thirty thousand, eight hundred nine".
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