Base | Representation |
---|---|
bin | 1000101100111011110111 |
3 | 11021220020011 |
4 | 20230323313 |
5 | 1040444312 |
6 | 120521051 |
7 | 25250515 |
oct | 10547367 |
9 | 4256204 |
10 | 2281207 |
11 | 13189a5 |
12 | 920187 |
13 | 61b436 |
14 | 4354b5 |
15 | 300da7 |
hex | 22cef7 |
2281207 has 2 divisors, whose sum is σ = 2281208. Its totient is φ = 2281206.
The previous prime is 2281189. The next prime is 2281211. The reversal of 2281207 is 7021822.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2281207 - 27 = 2281079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2281267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140603 + 1140604.
It is an arithmetic number, because the mean of its divisors is an integer number (1140604).
22281207 is an apocalyptic number.
2281207 is a deficient number, since it is larger than the sum of its proper divisors (1).
2281207 is an equidigital number, since it uses as much as digits as its factorization.
2281207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 2281207 is about 1510.3665118110. The cubic root of 2281207 is about 131.6401085853.
The spelling of 2281207 in words is "two million, two hundred eighty-one thousand, two hundred seven".
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