Base | Representation |
---|---|
bin | 1000000111110… |
… | …00101111000100 |
3 | 11202012020121120 |
4 | 10003320233010 |
5 | 114420041214 |
6 | 10432113540 |
7 | 1455034662 |
oct | 403705704 |
9 | 152166546 |
10 | 68127684 |
11 | 35502379 |
12 | 1a9958b0 |
13 | 11164551 |
14 | 9095c32 |
15 | 5eaaea9 |
hex | 40f8bc4 |
68127684 has 24 divisors (see below), whose sum is σ = 161965440. Its totient is φ = 22280544.
The previous prime is 68127637. The next prime is 68127707. The reversal of 68127684 is 48672186.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52924 + ... + 54195.
It is an arithmetic number, because the mean of its divisors is an integer number (6748560).
Almost surely, 268127684 is an apocalyptic number.
It is an amenable number.
68127684 is an abundant number, since it is smaller than the sum of its proper divisors (93837756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68127684 is a wasteful number, since it uses less digits than its factorization.
68127684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107179 (or 107177 counting only the distinct ones).
The product of its digits is 129024, while the sum is 42.
The square root of 68127684 is about 8253.9496000400. The cubic root of 68127684 is about 408.4208220513.
The spelling of 68127684 in words is "sixty-eight million, one hundred twenty-seven thousand, six hundred eighty-four".
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