Base | Representation |
---|---|
bin | 1000001010010… |
… | …01011111010000 |
3 | 11202211001100002 |
4 | 10011021133100 |
5 | 120011132243 |
6 | 10443145132 |
7 | 1460613212 |
oct | 405113720 |
9 | 152731302 |
10 | 68458448 |
11 | 35708933 |
12 | 1ab151a8 |
13 | 1124bc76 |
14 | 91405b2 |
15 | 6023eb8 |
hex | 41497d0 |
68458448 has 20 divisors (see below), whose sum is σ = 132859428. Its totient is φ = 34172160.
The previous prime is 68458441. The next prime is 68458459. The reversal of 68458448 is 84485486.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 33269824 + 35188624 = 5768^2 + 5932^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68458441) 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 3 ways as a sum of consecutive naturals, for example, 7340 + ... + 13812.
Almost surely, 268458448 is an apocalyptic number.
It is an amenable number.
68458448 is a deficient number, since it is larger than the sum of its proper divisors (64400980).
68458448 is a wasteful number, since it uses less digits than its factorization.
68458448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7142 (or 7136 counting only the distinct ones).
The product of its digits is 983040, while the sum is 47.
The square root of 68458448 is about 8273.9620497075. The cubic root of 68458448 is about 409.0807244573.
The spelling of 68458448 in words is "sixty-eight million, four hundred fifty-eight thousand, four hundred forty-eight".
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