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40811047 is a prime number
BaseRepresentation
bin1001101110101…
…1101000100111
32211210102020021
42123223220213
540421423142
64014420011
71003613434
oct233535047
984712207
1040811047
1121044a42
1211801607
1385bba64
1455c4b8b
1538b2267
hex26eba27

40811047 has 2 divisors, whose sum is σ = 40811048. Its totient is φ = 40811046.

The previous prime is 40811011. The next prime is 40811063. The reversal of 40811047 is 74011804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40811047 - 27 = 40810919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40811077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20405523 + 20405524.

It is an arithmetic number, because the mean of its divisors is an integer number (20405524).

Almost surely, 240811047 is an apocalyptic number.

40811047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40811047 is an equidigital number, since it uses as much as digits as its factorization.

40811047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 40811047 is about 6388.3524480104. The cubic root of 40811047 is about 344.2911919427.

The spelling of 40811047 in words is "forty million, eight hundred eleven thousand, forty-seven".