Base | Representation |
---|---|
bin | 1000010011101100100… |
… | …11010010000010101100 |
3 | 1000021210200102221001020 |
4 | 10021312103102002230 |
5 | 14134101331421120 |
6 | 335045104014140 |
7 | 26423532062643 |
oct | 4116623220254 |
9 | 1007720387036 |
10 | 285452607660 |
11 | 100072612100 |
12 | 473a5601350 |
13 | 20bc1cb344c |
14 | db5d09835a |
15 | 765a4a0640 |
hex | 42764d20ac |
285452607660 has 288 divisors, whose sum is σ = 889873931520. Its totient is φ = 68312302080.
The previous prime is 285452607659. The next prime is 285452607703. The reversal of 285452607660 is 66706254582.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 325487142 + ... + 325488018.
It is an arithmetic number, because the mean of its divisors is an integer number (3089840040).
Almost surely, 2285452607660 is an apocalyptic number.
285452607660 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 285452607660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444936965760).
285452607660 is an abundant number, since it is smaller than the sum of its proper divisors (604421323860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285452607660 is a wasteful number, since it uses less digits than its factorization.
285452607660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1437 (or 1424 counting only the distinct ones).
The product of its (nonzero) digits is 4838400, while the sum is 51.
The spelling of 285452607660 in words is "two hundred eighty-five billion, four hundred fifty-two million, six hundred seven thousand, six hundred sixty".
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