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40535399 is a prime number
BaseRepresentation
bin1001101010100…
…0010101100111
32211021102010002
42122220111213
540334113044
64004451515
71001355002
oct232502547
984242102
1040535399
1120976933
12116a9b9b
138523458
145552539
15385a74e
hex26a8567

40535399 has 2 divisors, whose sum is σ = 40535400. Its totient is φ = 40535398.

The previous prime is 40535393. The next prime is 40535431. The reversal of 40535399 is 99353504.

40535399 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 is a cyclic number.

It is not a de Polignac number, because 40535399 - 220 = 39486823 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40535393) 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, 20267699 + 20267700.

It is an arithmetic number, because the mean of its divisors is an integer number (20267700).

Almost surely, 240535399 is an apocalyptic number.

40535399 is a deficient number, since it is larger than the sum of its proper divisors (1).

40535399 is an equidigital number, since it uses as much as digits as its factorization.

40535399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 40535399 is about 6366.7416313213. The cubic root of 40535399 is about 343.5142973072.

The spelling of 40535399 in words is "forty million, five hundred thirty-five thousand, three hundred ninety-nine".