Base | Representation |
---|---|
bin | 1010000100000… |
… | …0000001001111 |
3 | 2221102020201220 |
4 | 2201000001033 |
5 | 41301032023 |
6 | 4104334423 |
7 | 1021511262 |
oct | 241000117 |
9 | 87366656 |
10 | 42205263 |
11 | 21907491 |
12 | 12174413 |
13 | 8989539 |
14 | 5868cd9 |
15 | 3a8a3e3 |
hex | 284004f |
42205263 has 8 divisors (see below), whose sum is σ = 56437248. Its totient is φ = 28055064.
The previous prime is 42205217. The next prime is 42205279. The reversal of 42205263 is 36250224.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42205263 - 26 = 42205199 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42205463) 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, 19231 + ... + 21312.
It is an arithmetic number, because the mean of its divisors is an integer number (7054656).
Almost surely, 242205263 is an apocalyptic number.
42205263 is a deficient number, since it is larger than the sum of its proper divisors (14231985).
42205263 is a wasteful number, since it uses less digits than its factorization.
42205263 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40893.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 42205263 is about 6496.5577808560. The cubic root of 42205263 is about 348.1680140608.
Adding to 42205263 its reverse (36250224), we get a palindrome (78455487).
The spelling of 42205263 in words is "forty-two million, two hundred five thousand, two hundred sixty-three".
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