Base | Representation |
---|---|
bin | 11010110110010… |
… | …00000111011111 |
3 | 120200210002211012 |
4 | 31123020013133 |
5 | 430123334233 |
6 | 34203045435 |
7 | 5403203222 |
oct | 1533100737 |
9 | 520702735 |
10 | 225214943 |
11 | 106145358 |
12 | 6351087b |
13 | 378752a5 |
14 | 21ca75b9 |
15 | 14b8a548 |
hex | d6c81df |
225214943 has 2 divisors, whose sum is σ = 225214944. Its totient is φ = 225214942.
The previous prime is 225214937. The next prime is 225214973. The reversal of 225214943 is 349412522.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 225214943 - 26 = 225214879 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (225214933) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112607471 + 112607472.
It is an arithmetic number, because the mean of its divisors is an integer number (112607472).
Almost surely, 2225214943 is an apocalyptic number.
225214943 is a deficient number, since it is larger than the sum of its proper divisors (1).
225214943 is an equidigital number, since it uses as much as digits as its factorization.
225214943 is an evil number, because the sum of its binary digits is even.
The product of its digits is 17280, while the sum is 32.
The square root of 225214943 is about 15007.1630563541. The cubic root of 225214943 is about 608.4138159524.
The spelling of 225214943 in words is "two hundred twenty-five million, two hundred fourteen thousand, nine hundred forty-three".
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