Base | Representation |
---|---|
bin | 1000011001011100101011 |
3 | 11010211201212 |
4 | 20121130223 |
5 | 1030421022 |
6 | 115103335 |
7 | 24466016 |
oct | 10313453 |
9 | 4124655 |
10 | 2201387 |
11 | 1273a31 |
12 | 8a1b4b |
13 | 5c0cc6 |
14 | 41437d |
15 | 2d73e2 |
hex | 21972b |
2201387 has 2 divisors, whose sum is σ = 2201388. Its totient is φ = 2201386.
The previous prime is 2201371. The next prime is 2201393. The reversal of 2201387 is 7831022.
2201387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2201387 - 24 = 2201371 is a prime.
It is a super-2 number, since 2×22013872 = 9692209447538, which contains 22 as substring.
It is a Chen prime.
It is equal to p162761 and since 2201387 and 162761 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (2201317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100693 + 1100694.
It is an arithmetic number, because the mean of its divisors is an integer number (1100694).
22201387 is an apocalyptic number.
2201387 is a deficient number, since it is larger than the sum of its proper divisors (1).
2201387 is an equidigital number, since it uses as much as digits as its factorization.
2201387 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 2201387 is about 1483.7071813535. The cubic root of 2201387 is about 130.0864710696.
The spelling of 2201387 in words is "two million, two hundred one thousand, three hundred eighty-seven".
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