Base | Representation |
---|---|
bin | 1010001101001… |
… | …0111110010000 |
3 | 2222112211102021 |
4 | 2203102332100 |
5 | 41424312214 |
6 | 4125301224 |
7 | 1026566200 |
oct | 243227620 |
9 | 88484367 |
10 | 42807184 |
11 | 22188742 |
12 | 12404814 |
13 | 8b3a4c4 |
14 | 5984400 |
15 | 3b58924 |
hex | 28d2f90 |
42807184 has 30 divisors (see below), whose sum is σ = 96481734. Its totient is φ = 18345600.
The previous prime is 42807181. The next prime is 42807197. The reversal of 42807184 is 48170824.
It can be written as a sum of positive squares in only one way, i.e., 25401600 + 17405584 = 5040^2 + 4172^2 .
It is not an unprimeable number, because it can be changed into a prime (42807181) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26517 + ... + 28084.
Almost surely, 242807184 is an apocalyptic number.
It is an amenable number.
42807184 is an abundant number, since it is smaller than the sum of its proper divisors (53674550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42807184 is a wasteful number, since it uses less digits than its factorization.
42807184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54623 (or 54610 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 34.
The square root of 42807184 is about 6542.7199237015. The cubic root of 42807184 is about 349.8153692881.
The spelling of 42807184 in words is "forty-two million, eight hundred seven thousand, one hundred eighty-four".
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