Base | Representation |
---|---|
bin | 1100111000010… |
… | …01100110010010 |
3 | 21112022010122100 |
4 | 12130021212102 |
5 | 210124331032 |
6 | 14415421230 |
7 | 2451230061 |
oct | 634114622 |
9 | 245263570 |
10 | 108042642 |
11 | 55a95044 |
12 | 30224816 |
13 | 194cb476 |
14 | 104c61d8 |
15 | 974297c |
hex | 6709992 |
108042642 has 12 divisors (see below), whose sum is σ = 234092430. Its totient is φ = 36014208.
The previous prime is 108042631. The next prime is 108042679. The reversal of 108042642 is 246240801.
108042642 is a `hidden beast` number, since 10 + 8 + 0 + 4 + 2 + 642 = 666.
It can be written as a sum of positive squares in only one way, i.e., 101183481 + 6859161 = 10059^2 + 2619^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3001167 + ... + 3001202.
Almost surely, 2108042642 is an apocalyptic number.
108042642 is an abundant number, since it is smaller than the sum of its proper divisors (126049788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108042642 is a wasteful number, since it uses less digits than its factorization.
108042642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6002377 (or 6002374 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 108042642 is about 10394.3562571234. The cubic root of 108042642 is about 476.2829832283.
The spelling of 108042642 in words is "one hundred eight million, forty-two thousand, six hundred forty-two".
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