Base | Representation |
---|---|
bin | 10000001000010110000111 |
3 | 21221211101122 |
4 | 100020112013 |
5 | 2040302422 |
6 | 230344155 |
7 | 50640644 |
oct | 20102607 |
9 | 7854348 |
10 | 4228487 |
11 | 2428a1a |
12 | 14bb05b |
13 | b50883 |
14 | 7c0dcb |
15 | 587d42 |
hex | 408587 |
4228487 has 2 divisors, whose sum is σ = 4228488. Its totient is φ = 4228486.
The previous prime is 4228457. The next prime is 4228489. The reversal of 4228487 is 7848224.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 4228487 - 26 = 4228423 is a prime.
Together with 4228489, it forms a pair of twin primes.
It is a Chen prime.
It is a d-powerful number, because it can be written as 45 + 25 + 215 + 8 + 411 + 8 + 73 .
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4228489) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114243 + 2114244.
It is an arithmetic number, because the mean of its divisors is an integer number (2114244).
Almost surely, 24228487 is an apocalyptic number.
4228487 is a deficient number, since it is larger than the sum of its proper divisors (1).
4228487 is an equidigital number, since it uses as much as digits as its factorization.
4228487 is an evil number, because the sum of its binary digits is even.
The product of its digits is 28672, while the sum is 35.
The square root of 4228487 is about 2056.3285243365. The cubic root of 4228487 is about 161.7068187134.
The spelling of 4228487 in words is "four million, two hundred twenty-eight thousand, four hundred eighty-seven".
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