Base | Representation |
---|---|
bin | 11001001110000… |
… | …111100100011001 |
3 | 1002111012022011222 |
4 | 121032013210121 |
5 | 1331310201132 |
6 | 105553101425 |
7 | 13325362202 |
oct | 3116074431 |
9 | 1074168158 |
10 | 423131417 |
11 | 1a7934995 |
12 | b9857875 |
13 | 69880127 |
14 | 402a65a9 |
15 | 27232412 |
hex | 19387919 |
423131417 has 2 divisors, whose sum is σ = 423131418. Its totient is φ = 423131416.
The previous prime is 423131381. The next prime is 423131461. The reversal of 423131417 is 714131324.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 396049801 + 27081616 = 19901^2 + 5204^2 .
It is a cyclic number.
It is not a de Polignac number, because 423131417 - 26 = 423131353 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (423130417) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211565708 + 211565709.
It is an arithmetic number, because the mean of its divisors is an integer number (211565709).
Almost surely, 2423131417 is an apocalyptic number.
It is an amenable number.
423131417 is a deficient number, since it is larger than the sum of its proper divisors (1).
423131417 is an equidigital number, since it uses as much as digits as its factorization.
423131417 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2016, while the sum is 26.
The square root of 423131417 is about 20570.1584096963. The cubic root of 423131417 is about 750.7438055014.
The spelling of 423131417 in words is "four hundred twenty-three million, one hundred thirty-one thousand, four hundred seventeen".
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