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40208873 is a prime number
BaseRepresentation
bin1001100101100…
…0100111101001
32210122211012112
42121120213221
540243140443
63553452105
7665525015
oct231304751
983584175
1040208873
1120773581
1211571035
13843a943
1454a9545
1537e3b18
hex26589e9

40208873 has 2 divisors, whose sum is σ = 40208874. Its totient is φ = 40208872.

The previous prime is 40208863. The next prime is 40208929. The reversal of 40208873 is 37880204.

40208873 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., 32126224 + 8082649 = 5668^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 40208873 - 26 = 40208809 is a prime.

It is not a weakly prime, because it can be changed into another prime (40208803) 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, 20104436 + 20104437.

It is an arithmetic number, because the mean of its divisors is an integer number (20104437).

Almost surely, 240208873 is an apocalyptic number.

It is an amenable number.

40208873 is a deficient number, since it is larger than the sum of its proper divisors (1).

40208873 is an equidigital number, since it uses as much as digits as its factorization.

40208873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 40208873 is about 6341.0466801625. The cubic root of 40208873 is about 342.5894358585.

The spelling of 40208873 in words is "forty million, two hundred eight thousand, eight hundred seventy-three".