Base | Representation |
---|---|
bin | 10000000001110… |
… | …011100000011010 |
3 | 200201222222012200 |
4 | 100001303200122 |
5 | 1022320033240 |
6 | 42403351030 |
7 | 6443454000 |
oct | 2001634032 |
9 | 621888180 |
10 | 268908570 |
11 | 128878a97 |
12 | 76082476 |
13 | 439330c8 |
14 | 279dca70 |
15 | 1891b930 |
hex | 1007381a |
268908570 has 192 divisors, whose sum is σ = 844646400. Its totient is φ = 59270400.
The previous prime is 268908569. The next prime is 268908593. The reversal of 268908570 is 75809862.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a congruent number.
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, 956830 + ... + 957110.
It is an arithmetic number, because the mean of its divisors is an integer number (4399200).
Almost surely, 2268908570 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 268908570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422323200).
268908570 is an abundant number, since it is smaller than the sum of its proper divisors (575737830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268908570 is a wasteful number, since it uses less digits than its factorization.
268908570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346 (or 329 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The square root of 268908570 is about 16398.4319372311. The cubic root of 268908570 is about 645.4583365692.
The spelling of 268908570 in words is "two hundred sixty-eight million, nine hundred eight thousand, five hundred seventy".
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