Base | Representation |
---|---|
bin | 1000001001101… |
… | …11110110110001 |
3 | 11202200101021011 |
4 | 10010313312301 |
5 | 120001324400 |
6 | 10441430521 |
7 | 1460162515 |
oct | 404676661 |
9 | 152611234 |
10 | 68386225 |
11 | 35669646 |
12 | 1aa9b441 |
13 | 1122512b |
14 | 9122145 |
15 | 600c8ba |
hex | 4137db1 |
68386225 has 12 divisors (see below), whose sum is σ = 89262640. Its totient is φ = 51829200.
The previous prime is 68386183. The next prime is 68386231. The reversal of 68386225 is 52268386.
It is not a de Polignac number, because 68386225 - 221 = 66289073 is a prime.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71511 + ... + 72460.
Almost surely, 268386225 is an apocalyptic number.
It is an amenable number.
68386225 is a deficient number, since it is larger than the sum of its proper divisors (20876415).
68386225 is a wasteful number, since it uses less digits than its factorization.
68386225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144000 (or 143995 counting only the distinct ones).
The product of its digits is 138240, while the sum is 40.
The square root of 68386225 is about 8269.5964230427. The cubic root of 68386225 is about 408.9368151029.
The spelling of 68386225 in words is "sixty-eight million, three hundred eighty-six thousand, two hundred twenty-five".
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