Base | Representation |
---|---|
bin | 1010000001010… |
… | …0101101001111 |
3 | 2221002020101020 |
4 | 2200110231033 |
5 | 41224342410 |
6 | 4100445223 |
7 | 1020142122 |
oct | 240245517 |
9 | 87066336 |
10 | 42027855 |
11 | 217a6171 |
12 | 120a9813 |
13 | 892686c |
14 | 58203b9 |
15 | 3a52a70 |
hex | 2814b4f |
42027855 has 8 divisors (see below), whose sum is σ = 67244592. Its totient is φ = 22414848.
The previous prime is 42027833. The next prime is 42027857. The reversal of 42027855 is 55872024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42027855 - 29 = 42027343 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42027857) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400914 + ... + 1400943.
It is an arithmetic number, because the mean of its divisors is an integer number (8405574).
Almost surely, 242027855 is an apocalyptic number.
42027855 is a deficient number, since it is larger than the sum of its proper divisors (25216737).
42027855 is a wasteful number, since it uses less digits than its factorization.
42027855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2801865.
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 42027855 is about 6482.8894021108. The cubic root of 42027855 is about 347.6794925243.
Adding to 42027855 its reverse (55872024), we get a palindrome (97899879).
The spelling of 42027855 in words is "forty-two million, twenty-seven thousand, eight hundred fifty-five".
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