Base | Representation |
---|---|
bin | 1010001101000… |
… | …1010111011101 |
3 | 2222112111101121 |
4 | 2203101113131 |
5 | 41424104410 |
6 | 4125210541 |
7 | 1026541051 |
oct | 243212735 |
9 | 88474347 |
10 | 42800605 |
11 | 22183801 |
12 | 12400a51 |
13 | 8b37503 |
14 | 5981c61 |
15 | 3b569da |
hex | 28d15dd |
42800605 has 8 divisors (see below), whose sum is σ = 52127712. Its totient is φ = 33729168.
The previous prime is 42800599. The next prime is 42800629. The reversal of 42800605 is 50600824.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42800605 - 25 = 42800573 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 42800605.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63547 + ... + 64216.
It is an arithmetic number, because the mean of its divisors is an integer number (6515964).
Almost surely, 242800605 is an apocalyptic number.
It is an amenable number.
42800605 is a deficient number, since it is larger than the sum of its proper divisors (9327107).
42800605 is a wasteful number, since it uses less digits than its factorization.
42800605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127835.
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 42800605 is about 6542.2171318292. The cubic root of 42800605 is about 349.7974474269.
The spelling of 42800605 in words is "forty-two million, eight hundred thousand, six hundred five".
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