Base | Representation |
---|---|
bin | 1000100100000… |
… | …00001001100100 |
3 | 12000011020120211 |
4 | 10102000021210 |
5 | 121341444233 |
6 | 11043305204 |
7 | 1531346164 |
oct | 422001144 |
9 | 160136524 |
10 | 71828068 |
11 | 375aa544 |
12 | 2007b204 |
13 | 11b5b920 |
14 | 977a5a4 |
15 | 648c5cd |
hex | 4480264 |
71828068 has 24 divisors (see below), whose sum is σ = 135632000. Its totient is φ = 33086880.
The previous prime is 71828047. The next prime is 71828083. The reversal of 71828068 is 86082817.
It is a super-2 number, since 2×718280682 = 10318542705225248, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 71828068.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34933 + ... + 36931.
Almost surely, 271828068 is an apocalyptic number.
It is an amenable number.
71828068 is a deficient number, since it is larger than the sum of its proper divisors (63803932).
71828068 is a wasteful number, since it uses less digits than its factorization.
71828068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2707 (or 2705 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 40.
The square root of 71828068 is about 8475.1441285680. The cubic root of 71828068 is about 415.6853590369.
The spelling of 71828068 in words is "seventy-one million, eight hundred twenty-eight thousand, sixty-eight".
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