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40974347 is a prime number
BaseRepresentation
bin1001110001001…
…1100000001011
32212002201020102
42130103200023
540442134342
64022120015
71005163511
oct234234013
985081212
1040974347
11211466a7
121188000b
13864819b
1456284b1
1538e5832
hex271380b

40974347 has 2 divisors, whose sum is σ = 40974348. Its totient is φ = 40974346.

The previous prime is 40974289. The next prime is 40974383. The reversal of 40974347 is 74347904.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40974347 - 28 = 40974091 is a prime.

It is a super-2 number, since 2×409743472 = 3357794224152818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40974347.

It is not a weakly prime, because it can be changed into another prime (40977347) 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, 20487173 + 20487174.

It is an arithmetic number, because the mean of its divisors is an integer number (20487174).

Almost surely, 240974347 is an apocalyptic number.

40974347 is a deficient number, since it is larger than the sum of its proper divisors (1).

40974347 is an equidigital number, since it uses as much as digits as its factorization.

40974347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 40974347 is about 6401.1207612417. The cubic root of 40974347 is about 344.7497926789.

The spelling of 40974347 in words is "forty million, nine hundred seventy-four thousand, three hundred forty-seven".