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45638429 is a prime number
BaseRepresentation
bin1010111000011…
…0001100011101
310011212200011012
42232012030131
543140412204
64310105005
71062630434
oct256061435
9104780135
1045638429
1123841911
121334b165
1395bc0b5
1460c011b
15401776e
hex2b8631d

45638429 has 2 divisors, whose sum is σ = 45638430. Its totient is φ = 45638428.

The previous prime is 45638407. The next prime is 45638471. The reversal of 45638429 is 92483654.

45638429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27019204 + 18619225 = 5198^2 + 4315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45638429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45638129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22819214 + 22819215.

It is an arithmetic number, because the mean of its divisors is an integer number (22819215).

Almost surely, 245638429 is an apocalyptic number.

It is an amenable number.

45638429 is a deficient number, since it is larger than the sum of its proper divisors (1).

45638429 is an equidigital number, since it uses as much as digits as its factorization.

45638429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 45638429 is about 6755.6220290955. The cubic root of 45638429 is about 357.3635295042.

The spelling of 45638429 in words is "forty-five million, six hundred thirty-eight thousand, four hundred twenty-nine".