| Base | Representation |
|---|---|
| bin | 11000011111110… |
| … | …11001011010100 |
| 3 | 112022200112120100 |
| 4 | 30033323023110 |
| 5 | 410102014030 |
| 6 | 32220334100 |
| 7 | 5043505455 |
| oct | 1417731324 |
| 9 | 468615510 |
| 10 | 205501140 |
| 11 | a6000059 |
| 12 | 589a4330 |
| 13 | 33762210 |
| 14 | 1d41512c |
| 15 | 13094360 |
| hex | c3fb2d4 |
205501140 has 144 divisors (see below), whose sum is σ = 684382608. Its totient is φ = 49600512.
The previous prime is 205501133. The next prime is 205501181. The reversal of 205501140 is 41105502.
205501140 is a `hidden beast` number, since 2 + 0 + 550 + 114 + 0 = 666.
205501140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 12068676 + 193432464 = 3474^2 + 13908^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123192 + ... + 124848.
It is an arithmetic number, because the mean of its divisors is an integer number (4752657).
Almost surely, 2205501140 is an apocalyptic number.
205501140 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 205501140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342191304).
205501140 is an abundant number, since it is smaller than the sum of its proper divisors (478881468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205501140 is a wasteful number, since it uses less digits than its factorization.
205501140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1738 (or 1733 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 205501140 is about 14335.3109488424. The cubic root of 205501140 is about 590.1169355507.
Adding to 205501140 its reverse (41105502), we get a palindrome (246606642).
The spelling of 205501140 in words is "two hundred five million, five hundred one thousand, one hundred forty".
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