Base | Representation |
---|---|
bin | 1000001001011… |
… | …01001010110010 |
3 | 11202121011012212 |
4 | 10010231022302 |
5 | 114443424300 |
6 | 10440452122 |
7 | 1456621061 |
oct | 404551262 |
9 | 152534185 |
10 | 68342450 |
11 | 35639770 |
12 | 1aa7a042 |
13 | 1120b227 |
14 | 91101d8 |
15 | 5eee935 |
hex | 412d2b2 |
68342450 has 48 divisors (see below), whose sum is σ = 139839264. Its totient is φ = 24643200.
The previous prime is 68342429. The next prime is 68342459. The reversal of 68342450 is 5424386.
It is not an unprimeable number, because it can be changed into a prime (68342459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74897 + ... + 75803.
It is an arithmetic number, because the mean of its divisors is an integer number (2913318).
Almost surely, 268342450 is an apocalyptic number.
68342450 is an abundant number, since it is smaller than the sum of its proper divisors (71496814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68342450 is a wasteful number, since it uses less digits than its factorization.
68342450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1067 (or 1062 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 32.
The square root of 68342450 is about 8266.9492559226. The cubic root of 68342450 is about 408.8495410451.
The spelling of 68342450 in words is "sixty-eight million, three hundred forty-two thousand, four hundred fifty".
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