Base | Representation |
---|---|
bin | 11111111110000… |
… | …01110100011100 |
3 | 200200121222211220 |
4 | 33333001310130 |
5 | 1022123241024 |
6 | 42340013340 |
7 | 6434333055 |
oct | 1777016434 |
9 | 620558756 |
10 | 268180764 |
11 | 1284211a5 |
12 | 75991250 |
13 | 43739a57 |
14 | 2788d72c |
15 | 18825e79 |
hex | ffc1d1c |
268180764 has 24 divisors (see below), whose sum is σ = 626023440. Its totient is φ = 89355264.
The previous prime is 268180643. The next prime is 268180769. The reversal of 268180764 is 467081862.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268180769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45372 + ... + 50940.
It is an arithmetic number, because the mean of its divisors is an integer number (26084310).
Almost surely, 2268180764 is an apocalyptic number.
It is an amenable number.
268180764 is an abundant number, since it is smaller than the sum of its proper divisors (357842676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268180764 is a wasteful number, since it uses less digits than its factorization.
268180764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9589 (or 9587 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 268180764 is about 16376.2255724572. The cubic root of 268180764 is about 644.8754954684.
The spelling of 268180764 in words is "two hundred sixty-eight million, one hundred eighty thousand, seven hundred sixty-four".
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