| Base | Representation |
|---|---|
| bin | 11000100101010… |
| … | …11011110001000 |
| 3 | 112101001020002210 |
| 4 | 30102223132020 |
| 5 | 410243120430 |
| 6 | 32244025120 |
| 7 | 5052603636 |
| oct | 1422533610 |
| 9 | 471036083 |
| 10 | 206223240 |
| 11 | a6453633 |
| 12 | 590921a0 |
| 13 | 33955ab2 |
| 14 | 1d562356 |
| 15 | 131882b0 |
| hex | c4ab788 |
206223240 has 64 divisors (see below), whose sum is σ = 624490560. Its totient is φ = 54475520.
The previous prime is 206223233. The next prime is 206223247. The reversal of 206223240 is 42322602.
It is an interprime number because it is at equal distance from previous prime (206223233) and next prime (206223247).
It is not an unprimeable number, because it can be changed into a prime (206223247) 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 15 ways as a sum of consecutive naturals, for example, 4810 + ... + 20870.
It is an arithmetic number, because the mean of its divisors is an integer number (9757665).
Almost surely, 2206223240 is an apocalyptic number.
206223240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 206223240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312245280).
206223240 is an abundant number, since it is smaller than the sum of its proper divisors (418267320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206223240 is a wasteful number, since it uses less digits than its factorization.
206223240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16182 (or 16178 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 206223240 is about 14360.4749225087. The cubic root of 206223240 is about 590.8073215019.
Adding to 206223240 its reverse (42322602), we get a palindrome (248545842).
It can be divided in two parts, 206 and 223240, that added together give a triangular number (223446 = T668).
The spelling of 206223240 in words is "two hundred six million, two hundred twenty-three thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •