Base | Representation |
---|---|
bin | 1000001010001… |
… | …10001101001011 |
3 | 11202210100220010 |
4 | 10011012031023 |
5 | 120010220003 |
6 | 10443003003 |
7 | 1460526054 |
oct | 405061513 |
9 | 152710803 |
10 | 68445003 |
11 | 356a9820 |
12 | 1ab09463 |
13 | 11245b03 |
14 | 913972b |
15 | 6020003 |
hex | 414634b |
68445003 has 8 divisors (see below), whose sum is σ = 99556416. Its totient is φ = 41481800.
The previous prime is 68444977. The next prime is 68445023. The reversal of 68445003 is 30054486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68445003 - 218 = 68182859 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68445023) 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 7 ways as a sum of consecutive naturals, for example, 1037013 + ... + 1037078.
It is an arithmetic number, because the mean of its divisors is an integer number (12444552).
Almost surely, 268445003 is an apocalyptic number.
68445003 is a deficient number, since it is larger than the sum of its proper divisors (31111413).
68445003 is a wasteful number, since it uses less digits than its factorization.
68445003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2074105.
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 68445003 is about 8273.1495211920. The cubic root of 68445003 is about 409.0539420289.
Adding to 68445003 its reverse (30054486), we get a palindrome (98499489).
The spelling of 68445003 in words is "sixty-eight million, four hundred forty-five thousand, three".
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