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40885069 is a prime number
BaseRepresentation
bin1001101111110…
…1101101001101
32211221011202211
42123331231031
540431310234
64020150421
71004342311
oct233755515
984834684
1040885069
1121095615
1211838411
138616664
145603b41
1538c9164
hex26fdb4d

40885069 has 2 divisors, whose sum is σ = 40885070. Its totient is φ = 40885068.

The previous prime is 40885027. The next prime is 40885073. The reversal of 40885069 is 96058804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33212169 + 7672900 = 5763^2 + 2770^2 .

It is a cyclic number.

It is not a de Polignac number, because 40885069 - 217 = 40753997 is a prime.

It is a super-2 number, since 2×408850692 = 3343177734269522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40885769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20442534 + 20442535.

It is an arithmetic number, because the mean of its divisors is an integer number (20442535).

Almost surely, 240885069 is an apocalyptic number.

It is an amenable number.

40885069 is a deficient number, since it is larger than the sum of its proper divisors (1).

40885069 is an equidigital number, since it uses as much as digits as its factorization.

40885069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 40885069 is about 6394.1433358973. The cubic root of 40885069 is about 344.4992216463.

The spelling of 40885069 in words is "forty million, eight hundred eighty-five thousand, sixty-nine".