Base | Representation |
---|---|
bin | 1010000011110… |
… | …1101110001010 |
3 | 2221101202211021 |
4 | 2200331232022 |
5 | 41300231400 |
6 | 4104223054 |
7 | 1021441654 |
oct | 240755612 |
9 | 87352737 |
10 | 42195850 |
11 | 21900404 |
12 | 1216aa8a |
13 | 8985178 |
14 | 58656d4 |
15 | 3a8771a |
hex | 283db8a |
42195850 has 24 divisors (see below), whose sum is σ = 78705900. Its totient is φ = 16830720.
The previous prime is 42195833. The next prime is 42195859. The reversal of 42195850 is 5859124.
42195850 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 6 ways, for example, as 12895281 + 29300569 = 3591^2 + 5413^2 .
It is not an unprimeable number, because it can be changed into a prime (42195859) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 20676 + ... + 22624.
Almost surely, 242195850 is an apocalyptic number.
42195850 is a deficient number, since it is larger than the sum of its proper divisors (36510050).
42195850 is a wasteful number, since it uses less digits than its factorization.
42195850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2394 (or 2389 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 34.
The square root of 42195850 is about 6495.8332798803. The cubic root of 42195850 is about 348.1421282750.
The spelling of 42195850 in words is "forty-two million, one hundred ninety-five thousand, eight hundred fifty".
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