Base | Representation |
---|---|
bin | 1010001110001… |
… | …0110111001100 |
3 | 2222200010200210 |
4 | 2203202313030 |
5 | 41433403033 |
6 | 4130522420 |
7 | 1030260015 |
oct | 243426714 |
9 | 88603623 |
10 | 42872268 |
11 | 2222262a |
12 | 12436410 |
13 | 8b6100a |
14 | 59a000c |
15 | 3b6cd63 |
hex | 28e2dcc |
42872268 has 12 divisors (see below), whose sum is σ = 100035320. Its totient is φ = 14290752.
The previous prime is 42872267. The next prime is 42872281. The reversal of 42872268 is 86227824.
42872268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (42872261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786333 + ... + 1786356.
Almost surely, 242872268 is an apocalyptic number.
It is an amenable number.
42872268 is an abundant number, since it is smaller than the sum of its proper divisors (57163052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42872268 is a wasteful number, since it uses less digits than its factorization.
42872268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3572696 (or 3572694 counting only the distinct ones).
The product of its digits is 86016, while the sum is 39.
The square root of 42872268 is about 6547.6918070416. The cubic root of 42872268 is about 349.9925658285.
It can be divided in two parts, 4287 and 2268, that added together give a triangular number (6555 = T114).
The spelling of 42872268 in words is "forty-two million, eight hundred seventy-two thousand, two hundred sixty-eight".
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