Base | Representation |
---|---|
bin | 11001110000011… |
… | …100100101001101 |
3 | 1010010010111102221 |
4 | 121300130211031 |
5 | 1341111133011 |
6 | 110514015341 |
7 | 13465022224 |
oct | 3160344515 |
9 | 1103114387 |
10 | 432130381 |
11 | 201a20a51 |
12 | 100877551 |
13 | 6b6b1167 |
14 | 41569cbb |
15 | 27e0d971 |
hex | 19c1c94d |
432130381 has 2 divisors, whose sum is σ = 432130382. Its totient is φ = 432130380.
The previous prime is 432130379. The next prime is 432130393. The reversal of 432130381 is 183031234.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 426794281 + 5336100 = 20659^2 + 2310^2 .
It is a cyclic number.
It is not a de Polignac number, because 432130381 - 21 = 432130379 is a prime.
It is a super-2 number, since 2×4321303812 = 373473332366410322, which contains 22 as substring.
Together with 432130379, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (432130351) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216065190 + 216065191.
It is an arithmetic number, because the mean of its divisors is an integer number (216065191).
Almost surely, 2432130381 is an apocalyptic number.
It is an amenable number.
432130381 is a deficient number, since it is larger than the sum of its proper divisors (1).
432130381 is an equidigital number, since it uses as much as digits as its factorization.
432130381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 432130381 is about 20787.7459336023. The cubic root of 432130381 is about 756.0286731051.
The spelling of 432130381 in words is "four hundred thirty-two million, one hundred thirty thousand, three hundred eighty-one".
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