Base | Representation |
---|---|
bin | 1000001010010… |
… | …00001110000000 |
3 | 11202210210012111 |
4 | 10011020032000 |
5 | 120011000443 |
6 | 10443105104 |
7 | 1460562103 |
oct | 405101600 |
9 | 152723174 |
10 | 68453248 |
11 | 35704a36 |
12 | 1ab12194 |
13 | 112497a6 |
14 | 913c73a |
15 | 602269d |
hex | 4148380 |
68453248 has 32 divisors (see below), whose sum is σ = 139554360. Its totient is φ = 33427968.
The previous prime is 68453233. The next prime is 68453249. The reversal of 68453248 is 84235486.
It is a tau number, because it is divible by the number of its divisors (32).
It is a self number, because there is not a number n which added to its sum of digits gives 68453248.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68453249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715 + ... + 11722.
Almost surely, 268453248 is an apocalyptic number.
It is an amenable number.
68453248 is an abundant number, since it is smaller than the sum of its proper divisors (71101112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68453248 is a wasteful number, since it uses less digits than its factorization.
68453248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12494 (or 12482 counting only the distinct ones).
The product of its digits is 184320, while the sum is 40.
The square root of 68453248 is about 8273.6478049286. The cubic root of 68453248 is about 409.0703664776.
The spelling of 68453248 in words is "sixty-eight million, four hundred fifty-three thousand, two hundred forty-eight".
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