Base | Representation |
---|---|
bin | 1111001101011100011011 |
3 | 21111120110002 |
4 | 33031130123 |
5 | 2010042402 |
6 | 221243215 |
7 | 45614366 |
oct | 17153433 |
9 | 7446402 |
10 | 3987227 |
11 | 2283732 |
12 | 140350b |
13 | a97b0a |
14 | 75b0dd |
15 | 53b602 |
hex | 3cd71b |
3987227 has 2 divisors, whose sum is σ = 3987228. Its totient is φ = 3987226.
The previous prime is 3987199. The next prime is 3987229. The reversal of 3987227 is 7227893.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 3987227 - 28 = 3986971 is a prime.
Together with 3987229, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (3987229) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993613 + 1993614.
It is an arithmetic number, because the mean of its divisors is an integer number (1993614).
Almost surely, 23987227 is an apocalyptic number.
3987227 is a deficient number, since it is larger than the sum of its proper divisors (1).
3987227 is an equidigital number, since it uses as much as digits as its factorization.
3987227 is an evil number, because the sum of its binary digits is even.
The product of its digits is 42336, while the sum is 38.
The square root of 3987227 is about 1996.8041967103. The cubic root of 3987227 is about 158.5709594136.
The spelling of 3987227 in words is "three million, nine hundred eighty-seven thousand, two hundred twenty-seven".
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