Base | Representation |
---|---|
bin | 1000001101100… |
… | …11111110111010 |
3 | 11210122012200201 |
4 | 10012303332322 |
5 | 120114112100 |
6 | 10500352414 |
7 | 1464411016 |
oct | 406637672 |
9 | 153565621 |
10 | 68894650 |
11 | 35986630 |
12 | 1b0a570a |
13 | 11372686 |
14 | 9215546 |
15 | 60ad36a |
hex | 41b3fba |
68894650 has 48 divisors (see below), whose sum is σ = 140660640. Its totient is φ = 24897600.
The previous prime is 68894641. The next prime is 68894687. The reversal of 68894650 is 5649886.
It is a self number, because there is not a number n which added to its sum of digits gives 68894650.
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, 125677 + ... + 126223.
It is an arithmetic number, because the mean of its divisors is an integer number (2930430).
Almost surely, 268894650 is an apocalyptic number.
68894650 is an abundant number, since it is smaller than the sum of its proper divisors (71765990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68894650 is a wasteful number, since it uses less digits than its factorization.
68894650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 799 (or 794 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 46.
The square root of 68894650 is about 8300.2801157551. The cubic root of 68894650 is about 409.9477426953.
The spelling of 68894650 in words is "sixty-eight million, eight hundred ninety-four thousand, six hundred fifty".
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