Base | Representation |
---|---|
bin | 1010000101010… |
… | …0010001010101 |
3 | 2221120110112010 |
4 | 2201110101111 |
5 | 41311210323 |
6 | 4110214433 |
7 | 1022305152 |
oct | 241242125 |
9 | 87513463 |
10 | 42288213 |
11 | 21963840 |
12 | 121b4419 |
13 | 89b8216 |
14 | 588b229 |
15 | 3aa4c93 |
hex | 2854455 |
42288213 has 16 divisors (see below), whose sum is σ = 61862400. Its totient is φ = 25482480.
The previous prime is 42288193. The next prime is 42288227. The reversal of 42288213 is 31288224.
It is not a de Polignac number, because 42288213 - 28 = 42287957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42288263) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2328 + ... + 9486.
It is an arithmetic number, because the mean of its divisors is an integer number (3866400).
Almost surely, 242288213 is an apocalyptic number.
It is an amenable number.
42288213 is a deficient number, since it is larger than the sum of its proper divisors (19574187).
42288213 is a wasteful number, since it uses less digits than its factorization.
42288213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7352.
The product of its digits is 6144, while the sum is 30.
The square root of 42288213 is about 6502.9387971901. The cubic root of 42288213 is about 348.3959606469.
The spelling of 42288213 in words is "forty-two million, two hundred eighty-eight thousand, two hundred thirteen".
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