Base | Representation |
---|---|
bin | 1010000100111… |
… | …1110100110111 |
3 | 2221112112112211 |
4 | 2201033310313 |
5 | 41310120012 |
6 | 4105554251 |
7 | 1022201113 |
oct | 241176467 |
9 | 87475484 |
10 | 42270007 |
11 | 2195109a |
12 | 121a5987 |
13 | 89acb50 |
14 | 5884743 |
15 | 3a9e6a7 |
hex | 284fd37 |
42270007 has 12 divisors (see below), whose sum is σ = 48361096. Its totient is φ = 36720000.
The previous prime is 42270001. The next prime is 42270017. The reversal of 42270007 is 70007224.
It is not a de Polignac number, because 42270007 - 23 = 42269999 is a prime.
It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 42270007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42270001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1869 + ... + 9382.
Almost surely, 242270007 is an apocalyptic number.
42270007 is a deficient number, since it is larger than the sum of its proper divisors (6091089).
42270007 is a wasteful number, since it uses less digits than its factorization.
42270007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11298 (or 11281 counting only the distinct ones).
The product of its (nonzero) digits is 784, while the sum is 22.
The square root of 42270007 is about 6501.5388178492. The cubic root of 42270007 is about 348.3459561115.
The spelling of 42270007 in words is "forty-two million, two hundred seventy thousand, seven".
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