Base | Representation |
---|---|
bin | 1000001010011… |
… | …00100101011100 |
3 | 11202211200201212 |
4 | 10011030211130 |
5 | 120012034012 |
6 | 10443323552 |
7 | 1460665202 |
oct | 405144534 |
9 | 152750655 |
10 | 68471132 |
11 | 35717414 |
12 | 1ab205b8 |
13 | 11254982 |
14 | 9145072 |
15 | 6027b22 |
hex | 414c95c |
68471132 has 12 divisors (see below), whose sum is σ = 121011576. Its totient is φ = 33896400.
The previous prime is 68471113. The next prime is 68471147. The reversal of 68471132 is 23117486.
It is a super-2 number, since 2×684711322 = 9376591834722848, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84338 + ... + 85145.
It is an arithmetic number, because the mean of its divisors is an integer number (10084298).
Almost surely, 268471132 is an apocalyptic number.
It is an amenable number.
68471132 is a deficient number, since it is larger than the sum of its proper divisors (52540444).
68471132 is a wasteful number, since it uses less digits than its factorization.
68471132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169588 (or 169586 counting only the distinct ones).
The product of its digits is 8064, while the sum is 32.
The square root of 68471132 is about 8274.7285151840. The cubic root of 68471132 is about 409.1059877600.
The spelling of 68471132 in words is "sixty-eight million, four hundred seventy-one thousand, one hundred thirty-two".
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