Base | Representation |
---|---|
bin | 1100111101001… |
… | …10001101101110 |
3 | 21120111201121121 |
4 | 12132212031232 |
5 | 210310343032 |
6 | 14441251154 |
7 | 2456541250 |
oct | 636461556 |
9 | 246451547 |
10 | 108684142 |
11 | 56393006 |
12 | 30493aba |
13 | 19694458 |
14 | 10611cd0 |
15 | 981ca97 |
hex | 67a636e |
108684142 has 32 divisors (see below), whose sum is σ = 196761600. Its totient is φ = 43983648.
The previous prime is 108684139. The next prime is 108684151. The reversal of 108684142 is 241486801.
It is a junction number, because it is equal to n+sod(n) for n = 108684098 and 108684107.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126988 + ... + 127840.
It is an arithmetic number, because the mean of its divisors is an integer number (6148800).
Almost surely, 2108684142 is an apocalyptic number.
108684142 is a deficient number, since it is larger than the sum of its proper divisors (88077458).
108684142 is a wasteful number, since it uses less digits than its factorization.
108684142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1360.
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 108684142 is about 10425.1686796905. The cubic root of 108684142 is about 477.2237624495.
The spelling of 108684142 in words is "one hundred eight million, six hundred eighty-four thousand, one hundred forty-two".
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