| Base | Representation |
|---|---|
| bin | 11000100010110… |
| … | …11000111000000 |
| 3 | 112100102111120200 |
| 4 | 30101123013000 |
| 5 | 410202102310 |
| 6 | 32233005200 |
| 7 | 5050033200 |
| oct | 1421330700 |
| 9 | 470374520 |
| 10 | 205894080 |
| 11 | a62492a7 |
| 12 | 58b53800 |
| 13 | 3386c022 |
| 14 | 1d4b8400 |
| 15 | 131209c0 |
| hex | c45b1c0 |
205894080 has 252 divisors, whose sum is σ = 824377320. Its totient is φ = 47029248.
The previous prime is 205894079. The next prime is 205894081. The reversal of 205894080 is 80498502.
It is an interprime number because it is at equal distance from previous prime (205894079) and next prime (205894081).
It is a tau number, because it is divible by the number of its divisors (252).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205894081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 140391 + ... + 141849.
Almost surely, 2205894080 is an apocalyptic number.
205894080 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 205894080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412188660).
205894080 is an abundant number, since it is smaller than the sum of its proper divisors (618483240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205894080 is a wasteful number, since it uses less digits than its factorization.
205894080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1496 (or 1476 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 205894080 is about 14349.0097219285. The cubic root of 205894080 is about 590.4928181565.
The spelling of 205894080 in words is "two hundred five million, eight hundred ninety-four thousand, eighty".
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