Base | Representation |
---|---|
bin | 1000101000000011001101 |
3 | 11020212210001 |
4 | 20220003031 |
5 | 1034324242 |
6 | 120244301 |
7 | 25135261 |
oct | 10500315 |
9 | 4225701 |
10 | 2261197 |
11 | 1304964 |
12 | 910691 |
13 | 6122b3 |
14 | 42c0a1 |
15 | 2e9eb7 |
hex | 2280cd |
2261197 has 2 divisors, whose sum is σ = 2261198. Its totient is φ = 2261196.
The previous prime is 2261177. The next prime is 2261213. The reversal of 2261197 is 7911622.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1887876 + 373321 = 1374^2 + 611^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2261197 is a prime.
It is a super-2 number, since 2×22611972 = 10226023745618, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2261117) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130598 + 1130599.
It is an arithmetic number, because the mean of its divisors is an integer number (1130599).
22261197 is an apocalyptic number.
It is an amenable number.
2261197 is a deficient number, since it is larger than the sum of its proper divisors (1).
2261197 is an equidigital number, since it uses as much as digits as its factorization.
2261197 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1512, while the sum is 28.
The square root of 2261197 is about 1503.7277014141. The cubic root of 2261197 is about 131.2540763662.
The spelling of 2261197 in words is "two million, two hundred sixty-one thousand, one hundred ninety-seven".
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