Base | Representation |
---|---|
bin | 1010001101001… |
… | …0111110001110 |
3 | 2222112211102012 |
4 | 2203102332032 |
5 | 41424312212 |
6 | 4125301222 |
7 | 1026566165 |
oct | 243227616 |
9 | 88484365 |
10 | 42807182 |
11 | 22188740 |
12 | 12404812 |
13 | 8b3a4c2 |
14 | 59843dc |
15 | 3b58922 |
hex | 28d2f8e |
42807182 has 8 divisors (see below), whose sum is σ = 70048152. Its totient is φ = 19457800.
The previous prime is 42807181. The next prime is 42807197. The reversal of 42807182 is 28170824.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×428071822 = 3664909661562248, which contains 22 as substring.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 972869 + ... + 972912.
It is an arithmetic number, because the mean of its divisors is an integer number (8756019).
Almost surely, 242807182 is an apocalyptic number.
42807182 is a deficient number, since it is larger than the sum of its proper divisors (27240970).
42807182 is a wasteful number, since it uses less digits than its factorization.
It is an anagram of its base 11 representation: 42807182 = (22188740)11.
42807182 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1945794.
The product of its (nonzero) digits is 7168, while the sum is 32.
The square root of 42807182 is about 6542.7197708598. The cubic root of 42807182 is about 349.8153638402.
The spelling of 42807182 in words is "forty-two million, eight hundred seven thousand, one hundred eighty-two".
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