Base | Representation |
---|---|
bin | 1010001110001… |
… | …0000011111000 |
3 | 2222122222012011 |
4 | 2203202003320 |
5 | 41433301414 |
6 | 4130455304 |
7 | 1030244314 |
oct | 243420370 |
9 | 88588164 |
10 | 42868984 |
11 | 22220114 |
12 | 12434534 |
13 | 8b5c682 |
14 | 599cb44 |
15 | 3b6bdc4 |
hex | 28e20f8 |
42868984 has 16 divisors (see below), whose sum is σ = 80572320. Its totient is φ = 21383040.
The previous prime is 42868981. The next prime is 42869003. The reversal of 42868984 is 48986824.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42868981) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 2769 + ... + 9664.
It is an arithmetic number, because the mean of its divisors is an integer number (5035770).
Almost surely, 242868984 is an apocalyptic number.
It is an amenable number.
42868984 is a deficient number, since it is larger than the sum of its proper divisors (37703336).
42868984 is a wasteful number, since it uses less digits than its factorization.
42868984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12870 (or 12866 counting only the distinct ones).
The product of its digits is 884736, while the sum is 49.
The square root of 42868984 is about 6547.4410268440. The cubic root of 42868984 is about 349.9836291663.
The spelling of 42868984 in words is "forty-two million, eight hundred sixty-eight thousand, nine hundred eighty-four".
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