Base | Representation |
---|---|
bin | 10000000001011… |
… | …100000011110010 |
3 | 200201211002110122 |
4 | 100001130003302 |
5 | 1022304000110 |
6 | 42401330242 |
7 | 6442604000 |
oct | 2001340362 |
9 | 621732418 |
10 | 268812530 |
11 | 128812918 |
12 | 76036982 |
13 | 438cb48c |
14 | 279b5a70 |
15 | 188ed255 |
hex | 1005c0f2 |
268812530 has 64 divisors (see below), whose sum is σ = 570240000. Its totient is φ = 91191744.
The previous prime is 268812529. The next prime is 268812547. The reversal of 268812530 is 35218862.
268812530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (35).
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, 373511 + ... + 374229.
It is an arithmetic number, because the mean of its divisors is an integer number (8910000).
Almost surely, 2268812530 is an apocalyptic number.
268812530 is an abundant number, since it is smaller than the sum of its proper divisors (301427470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268812530 is a wasteful number, since it uses less digits than its factorization.
268812530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 856 (or 842 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 35.
The square root of 268812530 is about 16395.5033469546. The cubic root of 268812530 is about 645.3814861612.
The spelling of 268812530 in words is "two hundred sixty-eight million, eight hundred twelve thousand, five hundred thirty".
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