Base | Representation |
---|---|
bin | 1010001001010… |
… | …0110111100101 |
3 | 2222001220110211 |
4 | 2202110313211 |
5 | 41343142210 |
6 | 4120015421 |
7 | 1024456441 |
oct | 242246745 |
9 | 88056424 |
10 | 42552805 |
11 | 22024609 |
12 | 12301571 |
13 | 8a7b799 |
14 | 5919821 |
15 | 3b0838a |
hex | 2894de5 |
42552805 has 8 divisors (see below), whose sum is σ = 51098400. Its totient is φ = 34018896.
The previous prime is 42552791. The next prime is 42552817. The reversal of 42552805 is 50825524.
42552805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 42552805 - 219 = 42028517 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12586 + ... + 15604.
It is an arithmetic number, because the mean of its divisors is an integer number (6387300).
Almost surely, 242552805 is an apocalyptic number.
It is an amenable number.
42552805 is a deficient number, since it is larger than the sum of its proper divisors (8545595).
42552805 is a wasteful number, since it uses less digits than its factorization.
42552805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5843.
The product of its (nonzero) digits is 16000, while the sum is 31.
The square root of 42552805 is about 6523.2511066185. The cubic root of 42552805 is about 349.1210735830.
The spelling of 42552805 in words is "forty-two million, five hundred fifty-two thousand, eight hundred five".
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