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40674437 is a prime number
BaseRepresentation
bin1001101100101…
…0010010000101
32211112110211122
42123022102011
540403040222
64011443325
71002504236
oct233122205
984473748
1040674437
1120a61341
1211756545
13857181b
14558b08d
153886a42
hex26ca485

40674437 has 2 divisors, whose sum is σ = 40674438. Its totient is φ = 40674436.

The previous prime is 40674401. The next prime is 40674451. The reversal of 40674437 is 73447604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36372961 + 4301476 = 6031^2 + 2074^2 .

It is a cyclic number.

It is not a de Polignac number, because 40674437 - 28 = 40674181 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40674397 and 40674406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40674457) 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, 20337218 + 20337219.

It is an arithmetic number, because the mean of its divisors is an integer number (20337219).

Almost surely, 240674437 is an apocalyptic number.

It is an amenable number.

40674437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40674437 is an equidigital number, since it uses as much as digits as its factorization.

40674437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 40674437 is about 6377.6513702146. The cubic root of 40674437 is about 343.9066049189.

The spelling of 40674437 in words is "forty million, six hundred seventy-four thousand, four hundred thirty-seven".