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40741949 is a prime number
BaseRepresentation
bin1001101101101…
…0110000111101
32211122220110002
42123122300331
540412220244
64013124045
71003205123
oct233326075
984586402
1040741949
1120aa8036
1211789625
138596481
1455a7913
15389ba4e
hex26dac3d

40741949 has 2 divisors, whose sum is σ = 40741950. Its totient is φ = 40741948.

The previous prime is 40741937. The next prime is 40741951. The reversal of 40741949 is 94914704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34456900 + 6285049 = 5870^2 + 2507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40741949 is a prime.

Together with 40741951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40741969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20370974 + 20370975.

It is an arithmetic number, because the mean of its divisors is an integer number (20370975).

Almost surely, 240741949 is an apocalyptic number.

It is an amenable number.

40741949 is a deficient number, since it is larger than the sum of its proper divisors (1).

40741949 is an equidigital number, since it uses as much as digits as its factorization.

40741949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 40741949 is about 6382.9420332633. The cubic root of 40741949 is about 344.0967734088.

The spelling of 40741949 in words is "forty million, seven hundred forty-one thousand, nine hundred forty-nine".