| Base | Representation |
|---|---|
| bin | 11000011101001… |
| … | …01100001110000 |
| 3 | 112022000201100000 |
| 4 | 30032211201300 |
| 5 | 410004302240 |
| 6 | 32205030000 |
| 7 | 5040514614 |
| oct | 1416454160 |
| 9 | 468021300 |
| 10 | 205150320 |
| 11 | a5890521 |
| 12 | 58855300 |
| 13 | 3366b62b |
| 14 | 1d363344 |
| 15 | 13025430 |
| hex | c3a5870 |
205150320 has 240 divisors, whose sum is σ = 730390752. Its totient is φ = 53498880.
The previous prime is 205150313. The next prime is 205150327. The reversal of 205150320 is 23051502.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (205150313) and next prime (205150327).
It is a tau number, because it is divible by the number of its divisors (240).
It is a super-2 number, since 2×2051503202 = 84173307592204800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 205150293 and 205150302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205150327) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1185754 + ... + 1185926.
Almost surely, 2205150320 is an apocalyptic number.
205150320 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 205150320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365195376).
205150320 is an abundant number, since it is smaller than the sum of its proper divisors (525240432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205150320 is a wasteful number, since it uses less digits than its factorization.
205150320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 205150320 is about 14323.0695034270. The cubic root of 205150320 is about 589.7809394548.
The spelling of 205150320 in words is "two hundred five million, one hundred fifty thousand, three hundred twenty".
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