Base | Representation |
---|---|
bin | 1001111010010… |
… | …10011100001100 |
3 | 12210110001221121 |
4 | 10331022130030 |
5 | 132241024122 |
6 | 12130010324 |
7 | 2026461463 |
oct | 475123414 |
9 | 183401847 |
10 | 83142412 |
11 | 42a28141 |
12 | 23a169a4 |
13 | 142c07c2 |
14 | b0839da |
15 | 7474bc7 |
hex | 4f4a70c |
83142412 has 12 divisors (see below), whose sum is σ = 146463856. Its totient is φ = 41295600.
The previous prime is 83142407. The next prime is 83142413. The reversal of 83142412 is 21424138.
It is not an unprimeable number, because it can be changed into a prime (83142413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68223 + ... + 69430.
Almost surely, 283142412 is an apocalyptic number.
It is an amenable number.
83142412 is a deficient number, since it is larger than the sum of its proper divisors (63321444).
83142412 is a wasteful number, since it uses less digits than its factorization.
83142412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137808 (or 137806 counting only the distinct ones).
The product of its digits is 1536, while the sum is 25.
The square root of 83142412 is about 9118.2461032810. The cubic root of 83142412 is about 436.4564070065.
The spelling of 83142412 in words is "eighty-three million, one hundred forty-two thousand, four hundred twelve".
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