Base | Representation |
---|---|
bin | 1000001010010… |
… | …00011110101011 |
3 | 11202210211200000 |
4 | 10011020132223 |
5 | 120011014230 |
6 | 10443114043 |
7 | 1460565156 |
oct | 405103653 |
9 | 152724600 |
10 | 68454315 |
11 | 35705816 |
12 | 1ab12923 |
13 | 1124a117 |
14 | 913cc9d |
15 | 6022b60 |
hex | 41487ab |
68454315 has 48 divisors (see below), whose sum is σ = 124470528. Its totient is φ = 36088416.
The previous prime is 68454311. The next prime is 68454341. The reversal of 68454315 is 51345486.
It is a happy number.
It is not a de Polignac number, because 68454315 - 22 = 68454311 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68454315.
It is not an unprimeable number, because it can be changed into a prime (68454311) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124872 + ... + 125418.
It is an arithmetic number, because the mean of its divisors is an integer number (2593136).
Almost surely, 268454315 is an apocalyptic number.
68454315 is a deficient number, since it is larger than the sum of its proper divisors (56016213).
68454315 is a wasteful number, since it uses less digits than its factorization.
68454315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 670 (or 658 counting only the distinct ones).
The product of its digits is 57600, while the sum is 36.
The square root of 68454315 is about 8273.7122865132. The cubic root of 68454315 is about 409.0724918981.
The spelling of 68454315 in words is "sixty-eight million, four hundred fifty-four thousand, three hundred fifteen".
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