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40718677 is a prime number
BaseRepresentation
bin1001101101010…
…1000101010101
32211121201112011
42123111011111
540410444202
64012424221
71003050226
oct233250525
984551464
1040718677
1120a915aa
1211778071
1385889bc
14559d24d
153894bd7
hex26d5155

40718677 has 2 divisors, whose sum is σ = 40718678. Its totient is φ = 40718676.

The previous prime is 40718651. The next prime is 40718683. The reversal of 40718677 is 77681704.

40718677 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., 40525956 + 192721 = 6366^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 40718677 - 211 = 40716629 is a 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 (40718687) 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, 20359338 + 20359339.

It is an arithmetic number, because the mean of its divisors is an integer number (20359339).

Almost surely, 240718677 is an apocalyptic number.

It is an amenable number.

40718677 is a deficient number, since it is larger than the sum of its proper divisors (1).

40718677 is an equidigital number, since it uses as much as digits as its factorization.

40718677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 40718677 is about 6381.1187890526. The cubic root of 40718677 is about 344.0312443453.

The spelling of 40718677 in words is "forty million, seven hundred eighteen thousand, six hundred seventy-seven".