Base | Representation |
---|---|
bin | 1000000110110… |
… | …01111101101010 |
3 | 11201221211201100 |
4 | 10003121331222 |
5 | 114402023032 |
6 | 10425302230 |
7 | 1454001342 |
oct | 403317552 |
9 | 151854640 |
10 | 68001642 |
11 | 35426705 |
12 | 1a934976 |
13 | 1111c077 |
14 | 9061d22 |
15 | 5e8397c |
hex | 40d9f6a |
68001642 has 48 divisors (see below), whose sum is σ = 150239232. Its totient is φ = 22226400.
The previous prime is 68001611. The next prime is 68001653. The reversal of 68001642 is 24610086.
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, 345088 + ... + 345284.
It is an arithmetic number, because the mean of its divisors is an integer number (3129984).
Almost surely, 268001642 is an apocalyptic number.
68001642 is an abundant number, since it is smaller than the sum of its proper divisors (82237590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68001642 is a wasteful number, since it uses less digits than its factorization.
68001642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 483 (or 480 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 68001642 is about 8246.3108115084. The cubic root of 68001642 is about 408.1687954975.
The spelling of 68001642 in words is "sixty-eight million, one thousand, six hundred forty-two".
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