Base | Representation |
---|---|
bin | 1010001101111… |
… | …0101010101000 |
3 | 2222122021010012 |
4 | 2203132222220 |
5 | 41432330310 |
6 | 4130311052 |
7 | 1030155632 |
oct | 243365250 |
9 | 88567105 |
10 | 42855080 |
11 | 22210724 |
12 | 12428488 |
13 | 8b56248 |
14 | 5997a52 |
15 | 3b67c05 |
hex | 28deaa8 |
42855080 has 16 divisors (see below), whose sum is σ = 96424020. Its totient is φ = 17142016.
The previous prime is 42855073. The next prime is 42855091. The reversal of 42855080 is 8055824.
42855080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 41550916 + 1304164 = 6446^2 + 1142^2 .
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 3 ways as a sum of consecutive naturals, for example, 535649 + ... + 535728.
Almost surely, 242855080 is an apocalyptic number.
42855080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42855080 is an abundant number, since it is smaller than the sum of its proper divisors (53568940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42855080 is a wasteful number, since it uses less digits than its factorization.
42855080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1071388 (or 1071384 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 32.
The square root of 42855080 is about 6546.3791518671. The cubic root of 42855080 is about 349.9457875217.
The spelling of 42855080 in words is "forty-two million, eight hundred fifty-five thousand, eighty".
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