Base | Representation |
---|---|
bin | 10111110101111… |
… | …00100111101111 |
3 | 111221100011012122 |
4 | 23322330213233 |
5 | 402200031111 |
6 | 31502423155 |
7 | 4645663205 |
oct | 1372744757 |
9 | 457304178 |
10 | 200002031 |
11 | a2994539 |
12 | 56b91abb |
13 | 325881c8 |
14 | 1c7c3075 |
15 | 12859cdb |
hex | bebc9ef |
200002031 has 4 divisors (see below), whose sum is σ = 200714064. Its totient is φ = 199290000.
The previous prime is 200002027. The next prime is 200002051. The reversal of 200002031 is 130200002.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 200002031 - 22 = 200002027 is a prime.
It is a super-3 number, since 3×2000020313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200002051) 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, 355595 + ... + 356156.
It is an arithmetic number, because the mean of its divisors is an integer number (50178516).
Almost surely, 2200002031 is an apocalyptic number.
200002031 is a deficient number, since it is larger than the sum of its proper divisors (712033).
200002031 is an equidigital number, since it uses as much as digits as its factorization.
200002031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 712032.
The product of its (nonzero) digits is 12, while the sum is 8.
The square root of 200002031 is about 14142.2074302423. The cubic root of 200002031 is about 584.8055271959.
Adding to 200002031 its reverse (130200002), we get a palindrome (330202033).
The spelling of 200002031 in words is "two hundred million, two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •