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40980833 is a prime number
BaseRepresentation
bin1001110001010…
…1000101100001
32212010001010122
42130111011201
540442341313
64022210025
71005221435
oct234250541
985101118
1040980833
1121150563
1211883915
13864b11a
14562a9c5
1538e7708
hex2715161

40980833 has 2 divisors, whose sum is σ = 40980834. Its totient is φ = 40980832.

The previous prime is 40980827. The next prime is 40980847. The reversal of 40980833 is 33808904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40742689 + 238144 = 6383^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 40980833 - 24 = 40980817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40980793 and 40980802.

It is not a weakly prime, because it can be changed into another prime (40980803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20490416 + 20490417.

It is an arithmetic number, because the mean of its divisors is an integer number (20490417).

Almost surely, 240980833 is an apocalyptic number.

It is an amenable number.

40980833 is a deficient number, since it is larger than the sum of its proper divisors (1).

40980833 is an equidigital number, since it uses as much as digits as its factorization.

40980833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 40980833 is about 6401.6273712237. The cubic root of 40980833 is about 344.7679823459.

The spelling of 40980833 in words is "forty million, nine hundred eighty thousand, eight hundred thirty-three".