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45638357 is a prime number
BaseRepresentation
bin1010111000011…
…0001011010101
310011212200001112
42232012023111
543140411412
64310104405
71062630302
oct256061325
9104780045
1045638357
1123841856
121334b105
1395bc05b
1460c00a9
154017722
hex2b862d5

45638357 has 2 divisors, whose sum is σ = 45638358. Its totient is φ = 45638356.

The previous prime is 45638347. The next prime is 45638393. The reversal of 45638357 is 75383654.

45638357 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., 29964676 + 15673681 = 5474^2 + 3959^2 .

It is a cyclic number.

It is not a de Polignac number, because 45638357 - 212 = 45634261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45638347) 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, 22819178 + 22819179.

It is an arithmetic number, because the mean of its divisors is an integer number (22819179).

Almost surely, 245638357 is an apocalyptic number.

It is an amenable number.

45638357 is a deficient number, since it is larger than the sum of its proper divisors (1).

45638357 is an equidigital number, since it uses as much as digits as its factorization.

45638357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 45638357 is about 6755.6167001984. The cubic root of 45638357 is about 357.3633415764.

The spelling of 45638357 in words is "forty-five million, six hundred thirty-eight thousand, three hundred fifty-seven".