Base | Representation |
---|---|
bin | 1000001010111… |
… | …10001010010101 |
3 | 11202222100111021 |
4 | 10011132022111 |
5 | 120021340000 |
6 | 10445041141 |
7 | 1461415120 |
oct | 405361225 |
9 | 152870437 |
10 | 68543125 |
11 | 35766512 |
12 | 1ab561b1 |
13 | 1127b681 |
14 | 91633b7 |
15 | 603e11a |
hex | 415e295 |
68543125 has 20 divisors (see below), whose sum is σ = 97893664. Its totient is φ = 46998000.
The previous prime is 68543117. The next prime is 68543141. The reversal of 68543125 is 52134586.
It is not a de Polignac number, because 68543125 - 23 = 68543117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3459 + ... + 12208.
Almost surely, 268543125 is an apocalyptic number.
It is an amenable number.
68543125 is a deficient number, since it is larger than the sum of its proper divisors (29350539).
68543125 is an equidigital number, since it uses as much as digits as its factorization.
68543125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15694 (or 15679 counting only the distinct ones).
The product of its digits is 28800, while the sum is 34.
The square root of 68543125 is about 8279.0775452341. The cubic root of 68543125 is about 409.2493204316.
The spelling of 68543125 in words is "sixty-eight million, five hundred forty-three thousand, one hundred twenty-five".
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