Base | Representation |
---|---|
bin | 11000100010110… |
… | …10111000000000 |
3 | 112100102110021010 |
4 | 30101122320000 |
5 | 410202034440 |
6 | 32233000520 |
7 | 5050030326 |
oct | 1421327000 |
9 | 470373233 |
10 | 205893120 |
11 | a6248604 |
12 | 58b53140 |
13 | 3386b764 |
14 | 1d4b7d16 |
15 | 13120580 |
hex | c45ae00 |
205893120 has 320 divisors, whose sum is σ = 742452480. Its totient is φ = 48365568.
The previous prime is 205893109. The next prime is 205893143. The reversal of 205893120 is 21398502.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (320).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2480599 + ... + 2480681.
It is an arithmetic number, because the mean of its divisors is an integer number (2320164).
Almost surely, 2205893120 is an apocalyptic number.
205893120 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 205893120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371226240).
205893120 is an abundant number, since it is smaller than the sum of its proper divisors (536559360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205893120 is a wasteful number, since it uses less digits than its factorization.
205893120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145 (or 129 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 205893120 is about 14348.9762701037. The cubic root of 205893120 is about 590.4919004128.
The spelling of 205893120 in words is "two hundred five million, eight hundred ninety-three thousand, one hundred twenty".
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