Base | Representation |
---|---|
bin | 1000001010111… |
… | …11010000100000 |
3 | 11202222120122121 |
4 | 10011133100200 |
5 | 120022010431 |
6 | 10445114024 |
7 | 1461434164 |
oct | 405372040 |
9 | 152876577 |
10 | 68547616 |
11 | 35769925 |
12 | 1ab58914 |
13 | 11280727 |
14 | 9164ca4 |
15 | 6040611 |
hex | 415f420 |
68547616 has 24 divisors (see below), whose sum is σ = 137244240. Its totient is φ = 33691968.
The previous prime is 68547607. The next prime is 68547623. The reversal of 68547616 is 61674586.
It is a happy number.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16266 + ... + 20041.
It is an arithmetic number, because the mean of its divisors is an integer number (5718510).
Almost surely, 268547616 is an apocalyptic number.
It is an amenable number.
68547616 is an abundant number, since it is smaller than the sum of its proper divisors (68696624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68547616 is a wasteful number, since it uses less digits than its factorization.
68547616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36376 (or 36368 counting only the distinct ones).
The product of its digits is 241920, while the sum is 43.
The square root of 68547616 is about 8279.3487666603. The cubic root of 68547616 is about 409.2582583499.
The spelling of 68547616 in words is "sixty-eight million, five hundred forty-seven thousand, six hundred sixteen".
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