Base | Representation |
---|---|
bin | 1100001010010110101110 |
3 | 12222222022100 |
4 | 30022112232 |
5 | 1304010032 |
6 | 152155530 |
7 | 36045606 |
oct | 14122656 |
9 | 5888270 |
10 | 3188142 |
11 | 1888331 |
12 | 1098ba6 |
13 | 878199 |
14 | 5cdc06 |
15 | 42e97c |
hex | 30a5ae |
3188142 has 24 divisors (see below), whose sum is σ = 7095816. Its totient is φ = 1033776.
The previous prime is 3188131. The next prime is 3188161. The reversal of 3188142 is 2418813.
3188142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 11 ways as a sum of consecutive naturals, for example, 1728 + ... + 3059.
It is an arithmetic number, because the mean of its divisors is an integer number (295659).
Almost surely, 23188142 is an apocalyptic number.
3188142 is an abundant number, since it is smaller than the sum of its proper divisors (3907674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3188142 is a wasteful number, since it uses less digits than its factorization.
3188142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4832 (or 4829 counting only the distinct ones).
The product of its digits is 1536, while the sum is 27.
The square root of 3188142 is about 1785.5368940462. The cubic root of 3188142 is about 147.1790127904.
The spelling of 3188142 in words is "three million, one hundred eighty-eight thousand, one hundred forty-two".
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