Base | Representation |
---|---|
bin | 1000101010111010100011 |
3 | 11021110212122 |
4 | 20222322203 |
5 | 1040213211 |
6 | 120414455 |
7 | 25214423 |
oct | 10527243 |
9 | 4243778 |
10 | 2272931 |
11 | 1312761 |
12 | 91742b |
13 | 61773b |
14 | 432483 |
15 | 2ed6db |
hex | 22aea3 |
2272931 has 2 divisors, whose sum is σ = 2272932. Its totient is φ = 2272930.
The previous prime is 2272903. The next prime is 2272939. The reversal of 2272931 is 1392722.
2272931 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 a de Polignac number, because none of the positive numbers 2k-2272931 is a prime.
It is a super-2 number, since 2×22729312 = 10332430661522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2272931.
It is not a weakly prime, because it can be changed into another prime (2272939) 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, 1136465 + 1136466.
It is an arithmetic number, because the mean of its divisors is an integer number (1136466).
22272931 is an apocalyptic number.
2272931 is a deficient number, since it is larger than the sum of its proper divisors (1).
2272931 is an equidigital number, since it uses as much as digits as its factorization.
2272931 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1512, while the sum is 26.
The square root of 2272931 is about 1507.6242900670. The cubic root of 2272931 is about 131.4807231257.
The spelling of 2272931 in words is "two million, two hundred seventy-two thousand, nine hundred thirty-one".
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