Base | Representation |
---|---|
bin | 100100011100… |
… | …0100101011110 |
3 | 1022221200200220 |
4 | 1020320211132 |
5 | 14342344032 |
6 | 1521302210 |
7 | 321254016 |
oct | 110704536 |
9 | 38850626 |
10 | 19106142 |
11 | a86a800 |
12 | 6494966 |
13 | 3c5c613 |
14 | 2774c46 |
15 | 1a2612c |
hex | 123895e |
19106142 has 24 divisors (see below), whose sum is σ = 42003528. Its totient is φ = 5789520.
The previous prime is 19106141. The next prime is 19106149. The reversal of 19106142 is 24160191.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19106141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12433 + ... + 13884.
It is an arithmetic number, because the mean of its divisors is an integer number (1750147).
Almost surely, 219106142 is an apocalyptic number.
19106142 is an abundant number, since it is smaller than the sum of its proper divisors (22897386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19106142 is a wasteful number, since it uses less digits than its factorization.
19106142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26344 (or 26333 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 24.
The square root of 19106142 is about 4371.0573091645. The cubic root of 19106142 is about 267.3361362854.
The spelling of 19106142 in words is "nineteen million, one hundred six thousand, one hundred forty-two".
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