Base | Representation |
---|---|
bin | 1000000111010… |
… | …01100101011001 |
3 | 11202002002111002 |
4 | 10003221211121 |
5 | 114411100000 |
6 | 10430514345 |
7 | 1454356025 |
oct | 403514531 |
9 | 152062432 |
10 | 68065625 |
11 | 3546a791 |
12 | 1a9659b5 |
13 | 11142224 |
14 | 907b385 |
15 | 5e978d5 |
hex | 40e9959 |
68065625 has 24 divisors (see below), whose sum is σ = 88869312. Its totient is φ = 52030000.
The previous prime is 68065609. The next prime is 68065643. The reversal of 68065625 is 52656086.
It is a happy number.
It is not a de Polignac number, because 68065625 - 24 = 68065609 is a prime.
It is a Duffinian number.
It is a zygodrome in base 5.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71402 + ... + 72348.
It is an arithmetic number, because the mean of its divisors is an integer number (3702888).
Almost surely, 268065625 is an apocalyptic number.
It is an amenable number.
68065625 is a deficient number, since it is larger than the sum of its proper divisors (20803687).
68065625 is an frugal number, since it uses more digits than its factorization.
68065625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 995 (or 975 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 38.
The square root of 68065625 is about 8250.1893917655. The cubic root of 68065625 is about 408.2967712184.
The spelling of 68065625 in words is "sixty-eight million, sixty-five thousand, six hundred twenty-five".
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