Base | Representation |
---|---|
bin | 1010000011111… |
… | …1111101010100 |
3 | 2221102020101121 |
4 | 2200333331110 |
5 | 41301030022 |
6 | 4104333324 |
7 | 1021510453 |
oct | 240777524 |
9 | 87366347 |
10 | 42205012 |
11 | 21907283 |
12 | 12174244 |
13 | 89893a5 |
14 | 5868b9a |
15 | 3a8a2c7 |
hex | 283ff54 |
42205012 has 24 divisors (see below), whose sum is σ = 78310400. Its totient is φ = 19867680.
The previous prime is 42205003. The next prime is 42205019. The reversal of 42205012 is 21050224.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42205019) 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, 12 + ... + 9187.
Almost surely, 242205012 is an apocalyptic number.
It is an amenable number.
42205012 is a deficient number, since it is larger than the sum of its proper divisors (36105388).
42205012 is a wasteful number, since it uses less digits than its factorization.
42205012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9271 (or 9269 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 42205012 is about 6496.5384629047. The cubic root of 42205012 is about 348.1673238598.
Adding to 42205012 its reverse (21050224), we get a palindrome (63255236).
The spelling of 42205012 in words is "forty-two million, two hundred five thousand, twelve".
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