Base | Representation |
---|---|
bin | 1000001000111… |
… | …11101100101100 |
3 | 11202111100112101 |
4 | 10010133230230 |
5 | 114440143101 |
6 | 10435344444 |
7 | 1456301161 |
oct | 404375454 |
9 | 152440471 |
10 | 68287276 |
11 | 35601272 |
12 | 1aa52124 |
13 | 111bc095 |
14 | 90d8068 |
15 | 5edd401 |
hex | 411fb2c |
68287276 has 12 divisors (see below), whose sum is σ = 124698672. Its totient is φ = 32659088.
The previous prime is 68287231. The next prime is 68287277. The reversal of 68287276 is 67278286.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is not an unprimeable number, because it can be changed into a prime (68287277) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371035 + ... + 371218.
It is an arithmetic number, because the mean of its divisors is an integer number (10391556).
Almost surely, 268287276 is an apocalyptic number.
It is an amenable number.
68287276 is a deficient number, since it is larger than the sum of its proper divisors (56411396).
68287276 is a wasteful number, since it uses less digits than its factorization.
68287276 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 742280 (or 742278 counting only the distinct ones).
The product of its digits is 451584, while the sum is 46.
The square root of 68287276 is about 8263.6115591187. The cubic root of 68287276 is about 408.7394877388.
The spelling of 68287276 in words is "sixty-eight million, two hundred eighty-seven thousand, two hundred seventy-six".
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