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45724817 is a prime number
BaseRepresentation
bin1010111001101…
…1010010010001
310012001001122202
42232123102101
543201143232
64312012545
71063440335
oct256332221
9105031582
1045724817
11238a0806
1213391155
13961c508
1461037c5
154033162
hex2b9b491

45724817 has 2 divisors, whose sum is σ = 45724818. Its totient is φ = 45724816.

The previous prime is 45724787. The next prime is 45724829. The reversal of 45724817 is 71842754.

45724817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42042256 + 3682561 = 6484^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 45724817 - 218 = 45462673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45723817) 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, 22862408 + 22862409.

It is an arithmetic number, because the mean of its divisors is an integer number (22862409).

Almost surely, 245724817 is an apocalyptic number.

It is an amenable number.

45724817 is a deficient number, since it is larger than the sum of its proper divisors (1).

45724817 is an equidigital number, since it uses as much as digits as its factorization.

45724817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 38.

The square root of 45724817 is about 6762.0127920613. The cubic root of 45724817 is about 357.5888692949.

The spelling of 45724817 in words is "forty-five million, seven hundred twenty-four thousand, eight hundred seventeen".